This is a table of type trigram and their frequencies. Use it to search & browse the list to learn more about your study carrel.
trigram | frequency |
---|---|
by means of | 97 |
shown in fig | 86 |
end of the | 83 |
of the armature | 76 |
as shown in | 69 |
of the current | 69 |
so as to | 65 |
so that the | 63 |
the resistance of | 60 |
resistance of the | 57 |
one of the | 51 |
as in fig | 50 |
it will be | 48 |
in order to | 46 |
connected to the | 43 |
and the other | 43 |
the magnetic field | 42 |
of the commutator | 41 |
the direction of | 41 |
a current of | 40 |
of the coil | 39 |
terminal of the | 38 |
the field coils | 37 |
in series with | 35 |
contact with the | 35 |
the end of | 35 |
ends of the | 34 |
means of the | 34 |
the value of | 33 |
of the brushes | 33 |
of the needle | 32 |
in which the | 32 |
it may be | 31 |
the strength of | 31 |
a pair of | 31 |
what is the | 31 |
of the machine | 30 |
resistance in the | 30 |
of the galvanometer | 30 |
of the field | 29 |
current in the | 28 |
shown in the | 28 |
proportional to the | 28 |
of the motor | 27 |
as well as | 27 |
in the armature | 27 |
means of a | 27 |
the ends of | 27 |
in the circuit | 26 |
in the figure | 26 |
of the instrument | 26 |
direction of the | 26 |
the terminals of | 26 |
value of the | 26 |
the speed of | 25 |
may be used | 25 |
attached to the | 25 |
between the two | 25 |
is connected to | 25 |
pole of the | 25 |
so that it | 25 |
of a current | 25 |
in the case | 24 |
when a current | 24 |
connected in series | 24 |
current of electricity | 24 |
the armature is | 24 |
consists of a | 23 |
the current in | 23 |
part of the | 23 |
of the coils | 23 |
passes through the | 23 |
strength of the | 22 |
side of the | 22 |
leeds and northrup | 22 |
the voltage of | 22 |
in the same | 22 |
the amount of | 22 |
the number of | 22 |
the unknown resistance | 22 |
the case of | 22 |
is shown in | 22 |
it is not | 22 |
it is necessary | 21 |
deflection of the | 21 |
out of the | 21 |
it should be | 21 |
position of the | 21 |
the action of | 21 |
series with the | 21 |
in the direction | 20 |
lines of force | 20 |
to be measured | 20 |
that of the | 20 |
voltage of the | 20 |
the other end | 20 |
the use of | 20 |
the current is | 20 |
the armature circuit | 19 |
passing through the | 19 |
the galvanometer is | 19 |
a piece of | 19 |
of the dynamo | 19 |
provided with a | 19 |
terminals of the | 19 |
sparking at the | 19 |
of the two | 19 |
on the other | 19 |
is to be | 19 |
there is no | 18 |
watt hour meter | 18 |
there is a | 18 |
the current to | 18 |
an electric current | 18 |
the machine is | 18 |
it is a | 18 |
which may be | 18 |
surface of the | 18 |
of the battery | 18 |
as in the | 18 |
the pressure of | 18 |
of the magnet | 18 |
of the other | 18 |
of the rheostat | 18 |
the instrument is | 18 |
which it is | 18 |
action of the | 18 |
at one end | 17 |
the main switch | 17 |
due to the | 17 |
to the other | 17 |
the north pole | 17 |
of the wire | 17 |
that it is | 17 |
a deflection of | 17 |
may be made | 17 |
one terminal of | 17 |
of the machines | 17 |
should be used | 17 |
to make a | 17 |
speed of the | 17 |
the coils are | 17 |
should be taken | 17 |
if it be | 16 |
one or more | 16 |
and in the | 16 |
a magnetic field | 16 |
the standard cell | 16 |
the position of | 16 |
how is the | 16 |
will be seen | 16 |
the effect of | 16 |
the surface of | 16 |
and so on | 16 |
current passes through | 16 |
through the wire | 15 |
upon the commutator | 15 |
for the purpose | 15 |
with respect to | 15 |
in contact with | 15 |
method of testing | 15 |
should be done | 15 |
be seen that | 15 |
coils of the | 15 |
connected up with | 15 |
no voltage release | 15 |
the resistance in | 15 |
will not be | 15 |
each of the | 15 |
of the shunt | 15 |
a current is | 15 |
in making the | 15 |
to the right | 15 |
a and b | 15 |
movement of the | 14 |
length of the | 14 |
the secondary coil | 14 |
be necessary to | 14 |
the insulation of | 14 |
it consists of | 14 |
the bus bars | 14 |
for this purpose | 14 |
and the current | 14 |
on the scale | 14 |
to the left | 14 |
found to be | 14 |
the same as | 14 |
as it is | 14 |
the other terminal | 14 |
the whole of | 14 |
the method of | 14 |
positive and negative | 14 |
by the current | 14 |
will be found | 14 |
the pole pieces | 14 |
from each other | 14 |
direction of current | 14 |
current through the | 14 |
in connection with | 14 |
the current strength | 14 |
is necessary to | 14 |
contacts with the | 13 |
to be used | 13 |
two or more | 13 |
of the scale | 13 |
be used to | 13 |
and it is | 13 |
is liable to | 13 |
liable to be | 13 |
a number of | 13 |
of the same | 13 |
the current will | 13 |
it has been | 13 |
are connected in | 13 |
the operation of | 13 |
the series coils | 13 |
the other hand | 13 |
the current from | 13 |
the connections are | 13 |
is in the | 13 |
is called the | 13 |
other end of | 13 |
the fault is | 13 |
on the commutator | 13 |
of the starting | 13 |
into contact with | 13 |
should be carefully | 13 |
the machine will | 13 |
the needle is | 13 |
the bottom of | 13 |
is equal to | 13 |
shown by the | 13 |
current passing through | 13 |
pass through the | 13 |
at the brushes | 13 |
of all the | 13 |
if the machine | 13 |
out of circuit | 13 |
the resistance is | 13 |
the coil is | 13 |
north and south | 13 |
the brushes and | 13 |
one end of | 13 |
top of the | 13 |
as soon as | 13 |
of a magnet | 13 |
if the current | 13 |
and northrup fault | 13 |
the needle will | 13 |
indicated by the | 13 |
is made of | 13 |
northrup fault finder | 13 |
through the coil | 12 |
they should be | 12 |
whole of the | 12 |
the flow of | 12 |
cut out of | 12 |
equal to the | 12 |
to that of | 12 |
the fact that | 12 |
as shown by | 12 |
inches in diameter | 12 |
the purpose of | 12 |
current from the | 12 |
in the opposite | 12 |
number of turns | 12 |
the galvanometer needle | 12 |
heating of the | 12 |
the commutator and | 12 |
this is a | 12 |
what should be | 12 |
portion of the | 12 |
the form of | 12 |
dynamos in parallel | 12 |
the coils of | 12 |
of which is | 12 |
when the machine | 12 |
the opposite direction | 12 |
the center of | 12 |
the shunt field | 12 |
with the other | 12 |
placed in the | 12 |
be made to | 12 |
a short circuit | 11 |
the top of | 11 |
the quantity of | 11 |
in this case | 11 |
of the meter | 11 |
direction of rotation | 11 |
the brushes are | 11 |
the broken wire | 11 |
in one direction | 11 |
insulation of the | 11 |
the resistances of | 11 |
to the base | 11 |
of the resistance | 11 |
are connected up | 11 |
the deflection of | 11 |
the faulty coil | 11 |
short circuits in | 11 |
the length of | 11 |
at right angles | 11 |
bottom of the | 11 |
of the switch | 11 |
connected with the | 11 |
method of locating | 11 |
can be made | 11 |
of the line | 11 |
the south pole | 11 |
the commutator is | 11 |
is provided with | 11 |
of the cable | 11 |
a magnetic needle | 11 |
when the current | 11 |
a bar of | 11 |
to pass through | 11 |
the key is | 11 |
with no voltage | 11 |
battery and galvanometer | 11 |
passed through the | 11 |
the field circuit | 11 |
the positive terminal | 11 |
at which the | 11 |
to the shaft | 11 |
can be obtained | 11 |
of the case | 11 |
the movement of | 11 |
to the current | 11 |
adjustment of the | 11 |
if this be | 11 |
and from the | 11 |
through the armature | 11 |
with the commutator | 11 |
is indicated by | 11 |
north pole of | 11 |
a resistance of | 10 |
to hold the | 10 |
of an electric | 10 |
the current passing | 10 |
the field winding | 10 |
should not be | 10 |
be short circuited | 10 |
the difference between | 10 |
parallel with the | 10 |
to form a | 10 |
queen acme set | 10 |
the total resistance | 10 |
back of the | 10 |
operation of the | 10 |
when the armature | 10 |
dynamos in series | 10 |
a current passes | 10 |
to see that | 10 |
are shown in | 10 |
connection with the | 10 |
in order that | 10 |
a high resistance | 10 |
how to make | 10 |
be used on | 10 |
of turns of | 10 |
of the voltmeter | 10 |
care should be | 10 |
one side of | 10 |
with leeds and | 10 |
to the next | 10 |
it is the | 10 |
be used for | 10 |
insulated from each | 10 |
the negative terminal | 10 |
amount of current | 10 |
fall of potential | 10 |
there will be | 10 |
produced by the | 10 |
is connected in | 10 |
current to be | 10 |
a permanent magnet | 10 |
it is advisable | 10 |
the current flowing | 10 |
in the shunt | 10 |
of the magnetic | 10 |
used with a | 10 |
effect of the | 10 |
that when the | 10 |
which the current | 10 |
at the point | 10 |
the battery key | 10 |
the external circuit | 10 |
to the fault | 10 |
the starting box | 10 |
starting a motor | 10 |
any of the | 10 |
the upper end | 10 |
of the loop | 10 |
in armature circuit | 10 |
in the rheostat | 10 |
in the form | 10 |
so that they | 10 |
pressure of the | 10 |
is placed in | 9 |
will be deflected | 9 |
of the standard | 9 |
depending upon the | 9 |
the coils in | 9 |
and may be | 9 |
there are two | 9 |
this may be | 9 |
of the load | 9 |
of the electrical | 9 |
a form of | 9 |
fields of the | 9 |
of the latter | 9 |
right angles to | 9 |
the principle of | 9 |
be the case | 9 |
circuit with the | 9 |
sections of the | 9 |
other terminal of | 9 |
shows no deflection | 9 |
a coil of | 9 |
brushes should be | 9 |
at the other | 9 |
the testing set | 9 |
be used in | 9 |
if there be | 9 |
needle will be | 9 |
with each other | 9 |
difference of pressure | 9 |
the motor is | 9 |
and the negative | 9 |
made up of | 9 |
will be necessary | 9 |
the angle of | 9 |
is called a | 9 |
the brushes should | 9 |
through the coils | 9 |
and that the | 9 |
magnetic lines of | 9 |
when it is | 9 |
at the commutator | 9 |
may be readily | 9 |
this is the | 9 |
the current flows | 9 |
resistances of the | 9 |
the passage of | 9 |
the field magnets | 9 |
that the current | 9 |
as to the | 9 |
more or less | 9 |
at full speed | 9 |
the needle to | 9 |
resistance in series | 9 |
the machine be | 9 |
of the good | 9 |
the circuit is | 9 |
to determine the | 9 |
the difference of | 9 |
is passed through | 9 |
in circuit with | 9 |
as to be | 9 |
to build up | 9 |
of a dynamo | 9 |
center of the | 9 |
resistance in circuit | 9 |
of the base | 9 |
in the coil | 9 |
through the field | 9 |
flows through the | 9 |
some of the | 9 |
upper end of | 9 |
in the diagram | 9 |
of the circuit | 9 |
at the same | 9 |
the same direction | 8 |
of the unknown | 8 |
its upper end | 8 |
sent through the | 8 |
it is called | 8 |
be connected to | 8 |
the galvanometer will | 8 |
the other to | 8 |
the lines of | 8 |
and a current | 8 |
equal to that | 8 |
more of the | 8 |
it is made | 8 |
is the same | 8 |
are liable to | 8 |
from the other | 8 |
they may be | 8 |
to cut out | 8 |
what are the | 8 |
of the bar | 8 |
to the battery | 8 |
and the machine | 8 |
to receive the | 8 |
the brush holders | 8 |
of the wires | 8 |
passage of a | 8 |
of the cell | 8 |
the field magnet | 8 |
as the resistance | 8 |
depends upon the | 8 |
that it will | 8 |
main switch is | 8 |
of this type | 8 |
the armature and | 8 |
back to the | 8 |
the reading a | 8 |
connected up in | 8 |
in opposite directions | 8 |
height of the | 8 |
of the lever | 8 |
the current through | 8 |
the restraining force | 8 |
a large number | 8 |
the movable coil | 8 |
soon as the | 8 |
large number of | 8 |
in this way | 8 |
of the engine | 8 |
the good wire | 8 |
the brushes be | 8 |
magnetic action in | 8 |
the other side | 8 |
the needle of | 8 |
used as a | 8 |
is known as | 8 |
is attached to | 8 |
motion of the | 8 |
the same way | 8 |
the permanent magnet | 8 |
for the reason | 8 |
short circuits between | 8 |
compound dynamos in | 8 |
to the bus | 8 |
of the hand | 8 |
against the commutator | 8 |
be due to | 8 |
which tends to | 8 |
to the bottom | 8 |
is designed to | 8 |
this is done | 8 |
the fault may | 8 |
dynamo or motor | 8 |
in a circuit | 8 |
to use a | 8 |
what may be | 8 |
winding of the | 8 |
it can be | 8 |
bad adjustment of | 8 |
the presence of | 8 |
to carry the | 8 |
galvanometer shows no | 8 |
to measure the | 8 |
will be the | 8 |
it would be | 8 |
in the magnetic | 8 |
in such a | 8 |
or more of | 8 |
it is then | 8 |
of potential method | 8 |
current may be | 8 |
shunt and compound | 8 |
the starting lever | 8 |
the short circuit | 8 |
to keep the | 8 |
quantity of electricity | 8 |
the positive and | 8 |
capacity of the | 8 |
the necessity of | 8 |
are placed in | 8 |
in either direction | 8 |
the reason that | 8 |
up to the | 8 |
how are the | 8 |
should first be | 8 |
is proportional to | 8 |
making the test | 8 |
of electricity is | 8 |
be allowed to | 8 |
a dynamo or | 8 |
can be used | 8 |
a storage battery | 8 |
current to pass | 8 |
all the dynamos | 7 |
to the negative | 7 |
is done by | 7 |
but it is | 7 |
is the difference | 7 |
divided by the | 7 |
is produced by | 7 |
it must be | 7 |
that it may | 7 |
of the permanent | 7 |
the current passes | 7 |
the dynamo is | 7 |
the good and | 7 |
was found to | 7 |
short circuit in | 7 |
the commutator will | 7 |
is made to | 7 |
the binding post | 7 |
adjusting the brushes | 7 |
bad condition of | 7 |
in an electric | 7 |
the machine to | 7 |
to the needle | 7 |
the core is | 7 |
the armature should | 7 |
the rheostat is | 7 |
is capable of | 7 |
by a current | 7 |
of a battery | 7 |
positive terminal of | 7 |
directly proportional to | 7 |
given to the | 7 |
to obtain the | 7 |
as the voltage | 7 |
the armature coils | 7 |
in the field | 7 |
generated by a | 7 |
secured to the | 7 |
of a wire | 7 |
connected in parallel | 7 |
that the armature | 7 |
only necessary to | 7 |
is of the | 7 |
method of coupling | 7 |
in the above | 7 |
is that the | 7 |
the galvanometer key | 7 |
temperature of the | 7 |
the shunt circuit | 7 |
the hand regulator | 7 |
of which the | 7 |
so long as | 7 |
the off position | 7 |
the unit of | 7 |
the scale is | 7 |
must be made | 7 |
the shaft and | 7 |
the extended wire | 7 |
said with respect | 7 |
of the key | 7 |
directly with the | 7 |
owing to the | 7 |
this method is | 7 |
that they are | 7 |
connections of the | 7 |
the same time | 7 |
the wires are | 7 |
long as the | 7 |
to each other | 7 |
brought up to | 7 |
circuit is formed | 7 |
machine should be | 7 |
the plane of | 7 |
in the position | 7 |
with the galvanometer | 7 |
be cut out | 7 |
of the disc | 7 |
connected as in | 7 |
so arranged that | 7 |
breaks in armature | 7 |
dependent upon the | 7 |
the tangent galvanometer | 7 |
is due to | 7 |
will cause the | 7 |
on account of | 7 |
in like manner | 7 |
the dotted lines | 7 |
the fields of | 7 |
parallel to the | 7 |
is shown a | 7 |
on one side | 7 |
the voltmeter is | 7 |
when the key | 7 |
a pressure of | 7 |
multiplied by the | 7 |
this method of | 7 |
connections are made | 7 |
the slide wire | 7 |
direct deflection method | 7 |
is used in | 7 |
by armature resistance | 7 |
applied to the | 7 |
two pieces of | 7 |
the lever of | 7 |
is advisable to | 7 |
respect to the | 7 |
down to the | 7 |
known as the | 7 |
in a magnetic | 7 |
in which a | 7 |
of the pointer | 7 |
consists of two | 7 |
a wheatstone bridge | 7 |
which are connected | 7 |
with the positive | 7 |
assume that the | 7 |
to the brushes | 7 |
of a circuit | 7 |
by using a | 7 |
to turn the | 7 |
the known resistance | 7 |
it in the | 7 |
the starting rheostat | 7 |
with queen acme | 7 |
of two or | 7 |
of such a | 7 |
to receive a | 7 |
generated by the | 7 |
may be said | 7 |
the two coils | 7 |
from the commutator | 7 |
coil may be | 7 |
current flows through | 7 |
it is connected | 7 |
serves as a | 7 |
of a few | 7 |
through which the | 7 |
needle of a | 7 |
current will be | 7 |
through the galvanometer | 7 |
to the same | 7 |
to the post | 7 |
plane of the | 7 |
if the motor | 7 |
between a and | 7 |
showing method of | 7 |
the battery is | 7 |
of a galvanometer | 7 |
and the two | 7 |
what kind of | 7 |
made as in | 7 |
it is only | 7 |
a current which | 7 |
in starting a | 7 |
when the galvanometer | 7 |
used in the | 7 |
and inch thick | 7 |
as for instance | 7 |
up to speed | 7 |
a series of | 7 |
may be due | 7 |
be said with | 7 |
be done if | 7 |
the rear end | 7 |
to reduce the | 7 |
of the testing | 7 |
the faulty wire | 7 |
commutator and brushes | 7 |
the rate of | 7 |
when the dynamo | 7 |
mounted on the | 7 |
in the first | 7 |
the influence of | 7 |
should be examined | 7 |
of testing resistances | 7 |
away from the | 7 |
may not be | 6 |
the two stations | 6 |
and the load | 6 |
amount of resistance | 6 |
to the south | 6 |
account of the | 6 |
a variation of | 6 |
of wheatstone bridge | 6 |
of electrical energy | 6 |
influence of the | 6 |
current in a | 6 |
not to be | 6 |
of low resistance | 6 |
be measured is | 6 |
passes through a | 6 |
the magnetic needle | 6 |
a high voltage | 6 |
as a means | 6 |
instrument may be | 6 |
which is wound | 6 |
the resistance box | 6 |
must not be | 6 |
of the broken | 6 |
shown in figs | 6 |
what is called | 6 |
and into the | 6 |
to place the | 6 |
series dynamos in | 6 |
speed regulation of | 6 |
the production of | 6 |
angles to the | 6 |
in the base | 6 |
fault may be | 6 |
of fine wire | 6 |
in this manner | 6 |
coil of wire | 6 |
diameter of the | 6 |
the tangent of | 6 |
short circuit the | 6 |
known as a | 6 |
sides of the | 6 |
the point where | 6 |
thompson watt hour | 6 |
order that the | 6 |
of a small | 6 |
in the wire | 6 |
to the positive | 6 |
current generated by | 6 |
capable of being | 6 |
by steps of | 6 |
is accomplished by | 6 |
the lower end | 6 |
of the water | 6 |
it was found | 6 |
between the segments | 6 |
suspended by a | 6 |
be used with | 6 |
passed through a | 6 |
diagram showing method | 6 |
the first and | 6 |
the height of | 6 |
resistance between the | 6 |
has been found | 6 |
series with a | 6 |
back and forth | 6 |
current is flowing | 6 |
proportion of the | 6 |
that the brushes | 6 |
if the brushes | 6 |
to the off | 6 |
a closed circuit | 6 |
connected to a | 6 |
be noted that | 6 |
that the resistance | 6 |
of a shunt | 6 |
the sine galvanometer | 6 |
well as the | 6 |
the machine has | 6 |
should then be | 6 |
deflection of one | 6 |
be used as | 6 |
the resistance being | 6 |
to start a | 6 |
all the coils | 6 |
at both ends | 6 |
to the end | 6 |
the electric current | 6 |
due to a | 6 |
depends on the | 6 |
is difficult to | 6 |
found that the | 6 |
the cell to | 6 |
may be obtained | 6 |
circuit may be | 6 |
edge of the | 6 |
are designed to | 6 |
a standard cell | 6 |
the armature or | 6 |
in case of | 6 |
should be removed | 6 |
illustrated in fig | 6 |
lever of the | 6 |
to bring the | 6 |
which is the | 6 |
the primary coil | 6 |
with the negative | 6 |
the pivot pin | 6 |
there be a | 6 |
division on the | 6 |
axis of the | 6 |
the zero position | 6 |
of the bridge | 6 |
are connected as | 6 |
how is a | 6 |
parts of the | 6 |
a combination of | 6 |
in one second | 6 |
the machine should | 6 |
the magnetic lines | 6 |
the construction of | 6 |
moved to the | 6 |
see that the | 6 |
the binding posts | 6 |
should be noted | 6 |
of a series | 6 |
the brushes will | 6 |
the positive pole | 6 |
to the terminals | 6 |
from which the | 6 |
to prevent the | 6 |
hydrogen and oxygen | 6 |
the temperature of | 6 |
with the battery | 6 |
the product of | 6 |
is obtained by | 6 |
a direct current | 6 |
is composed of | 6 |
the range of | 6 |
of each of | 6 |
to make the | 6 |
the battery and | 6 |
of the angle | 6 |
through a wire | 6 |
an increase of | 6 |
a was found | 6 |
by short circuiting | 6 |
current flowing through | 6 |
the moving element | 6 |
may be measured | 6 |
the diameter of | 6 |
the no voltage | 6 |
of an ohm | 6 |
greater than the | 6 |
is only necessary | 6 |
this fault is | 6 |
so that a | 6 |
is cut out | 6 |
through the wires | 6 |
the varley loop | 6 |
and out of | 6 |
is such that | 6 |
inches wide and | 6 |
into and out | 6 |
the generation of | 6 |
greater or less | 6 |
it is obvious | 6 |
in the other | 6 |
shunt dynamos in | 6 |
in proportion to | 6 |
a shunt dynamo | 6 |
to have a | 6 |
a method of | 6 |
a few turns | 6 |
they are not | 6 |
the switch is | 6 |
one of which | 6 |
until the galvanometer | 6 |
switch is closed | 6 |
the pressure at | 6 |
as low as | 6 |
lower end of | 6 |
a column of | 6 |
be carefully examined | 6 |
a dynamo is | 6 |
by moving the | 6 |
to connect the | 6 |
the commutator be | 6 |
being connected to | 6 |
close to the | 6 |
to the binding | 6 |
an electric circuit | 6 |
will flow through | 6 |
testing set battery | 6 |
speed at which | 6 |
column of mercury | 6 |
shunt field resistance | 6 |
is mounted on | 6 |
it is possible | 6 |
in parallel with | 6 |
has a wire | 6 |
of an inch | 6 |
of the connections | 6 |
may also be | 6 |
that there are | 6 |
line post c | 6 |
a complete circuit | 6 |
the axis of | 6 |
the shunt coils | 6 |
and unknown resistance | 6 |
bar of iron | 6 |
to the line | 6 |
sulphuric acid voltameter | 6 |
the commutator with | 6 |
in a dynamo | 6 |
machine will not | 6 |
is used for | 6 |
of a magnetic | 6 |
as to cut | 6 |
at its terminals | 6 |
flow of the | 6 |
rotation of the | 6 |
provision is made | 6 |
is suspended by | 6 |
as a rule | 6 |
dynamos to run | 5 |
of the magnets | 5 |
the potentiometer circuit | 5 |
in addition to | 5 |
the armature of | 5 |
light contact points | 5 |
of a motor | 5 |
the first method | 5 |
which can be | 5 |
order to determine | 5 |
on the shaft | 5 |
from end to | 5 |
end to the | 5 |
water in the | 5 |
is simply a | 5 |
with a hole | 5 |
a length of | 5 |
to the first | 5 |
the distant end | 5 |
the middle of | 5 |
a battery and | 5 |
flow from the | 5 |
resistance being tested | 5 |
must be taken | 5 |
of the electric | 5 |
wide range of | 5 |
piece of wire | 5 |
in such cases | 5 |
if due to | 5 |
was found that | 5 |
the armature winding | 5 |
break in the | 5 |
voltage and overload | 5 |
the armature will | 5 |
with a battery | 5 |
to change the | 5 |
method of measuring | 5 |
about the same | 5 |
will give the | 5 |
of the brush | 5 |
is the effect | 5 |
caused by the | 5 |
pressure at the | 5 |
how should the | 5 |
starter with no | 5 |
at each end | 5 |
by this means | 5 |
of leeds and | 5 |
by inserting resistance | 5 |
the field strength | 5 |
no voltage and | 5 |
be found to | 5 |
to increase the | 5 |
the two main | 5 |
point on the | 5 |
in all cases | 5 |
method with queen | 5 |
and the latter | 5 |
the forward end | 5 |
the bridge arm | 5 |
it has a | 5 |
a binding post | 5 |
is directly proportional | 5 |
and the voltage | 5 |
the base is | 5 |
switch should be | 5 |
to the motor | 5 |
current is sent | 5 |
reading a was | 5 |
such as a | 5 |
the machine may | 5 |
move the lever | 5 |
connected as shown | 5 |
diagram showing connections | 5 |
the result of | 5 |
to cause the | 5 |
and therefore the | 5 |
the fall of | 5 |
the series field | 5 |
that they will | 5 |
it is desirable | 5 |
all the resistance | 5 |
light load adjustment | 5 |
so that when | 5 |
as the load | 5 |
ratio between the | 5 |
the polarity of | 5 |
at the center | 5 |
be multiplied by | 5 |
the advantage of | 5 |
inch in diameter | 5 |
what provision is | 5 |
a soft iron | 5 |
rush of current | 5 |
is made in | 5 |
on the same | 5 |
and one of | 5 |
in the direct | 5 |
used in connection | 5 |
of the shaft | 5 |
it will not | 5 |
against the restraining | 5 |
and the like | 5 |
ends of a | 5 |
removed from the | 5 |
but when the | 5 |
out by the | 5 |
made by means | 5 |
in a direction | 5 |
armature and shunt | 5 |
in other words | 5 |
range of the | 5 |
is sent through | 5 |
from the north | 5 |
are the same | 5 |
coil and the | 5 |
at a distance | 5 |
use of the | 5 |
double throw switch | 5 |
wire and the | 5 |
of one of | 5 |
the whole current | 5 |
located by the | 5 |
it is used | 5 |
arranged as in | 5 |
through the instrument | 5 |
joined to the | 5 |
the water in | 5 |
voltage in the | 5 |
of electricity in | 5 |
another piece of | 5 |
in the resistance | 5 |
the other set | 5 |
and at the | 5 |
the decade plan | 5 |
be desired to | 5 |
of hard rubber | 5 |
this form of | 5 |
breaks in the | 5 |
the oil is | 5 |
the motor will | 5 |
terminals of a | 5 |
reduce the speed | 5 |
made by the | 5 |
midway between the | 5 |
be obtained by | 5 |
is connected up | 5 |
mounted on a | 5 |
good and bad | 5 |
by shunt field | 5 |
it is of | 5 |
of the core | 5 |
the connections and | 5 |
the brushes bear | 5 |
which is attached | 5 |
are made as | 5 |
the wire is | 5 |
turns of fine | 5 |
the bus bar | 5 |
so that if | 5 |
have to be | 5 |
strength of current | 5 |
from the magnet | 5 |
as shown at | 5 |
term applied to | 5 |
the murray loop | 5 |
and the reading | 5 |
the international ohm | 5 |
with the shaft | 5 |
compared with the | 5 |
run in parallel | 5 |
voltage of a | 5 |
be understood that | 5 |
is connected as | 5 |
at a time | 5 |
of the bearings | 5 |
the negative plate | 5 |
what is known | 5 |
be connected in | 5 |
coils may be | 5 |
is of such | 5 |
of the winding | 5 |
wire of the | 5 |
to serve as | 5 |
the galvanometer and | 5 |
under these conditions | 5 |
and shunt field | 5 |
of which are | 5 |
from the battery | 5 |
voltage release magnet | 5 |
of the conductor | 5 |
the current may | 5 |
angle of the | 5 |
the motion of | 5 |
a current in | 5 |
the rheostat and | 5 |
be remedied by | 5 |
starting the motor | 5 |
the induction coil | 5 |
the alternating current | 5 |
difference of potential | 5 |
a good wire | 5 |
with the plate | 5 |
volts and amperes | 5 |
of each machine | 5 |
a charge of | 5 |
seen that the | 5 |
in most cases | 5 |
how should a | 5 |
the cable or | 5 |
the current be | 5 |
proportion to the | 5 |
the tenths switch | 5 |
out of contact | 5 |
run from the | 5 |
the connections of | 5 |
and the armature | 5 |
is moved to | 5 |
the other machines | 5 |
the ratio between | 5 |
coils of a | 5 |
the back of | 5 |
principle of the | 5 |
the brushes must | 5 |
from a battery | 5 |
to provide a | 5 |
will produce a | 5 |
to full speed | 5 |
is divided into | 5 |
simplest form of | 5 |
with a single | 5 |
the point of | 5 |
to which the | 5 |
case of the | 5 |
there are several | 5 |
the instrument may | 5 |
the volume of | 5 |
section of the | 5 |
in the center | 5 |
just the same | 5 |
middle of the | 5 |
a current will | 5 |
the coil and | 5 |
fact that the | 5 |
a set of | 5 |
as the armature | 5 |
of pressure between | 5 |
the tips of | 5 |
in place of | 5 |
the negative pole | 5 |
and the short | 5 |
it be desired | 5 |
is made by | 5 |
will pass through | 5 |
enclosed in a | 5 |
and the connections | 5 |
that there is | 5 |
armature of the | 5 |
inserting resistance in | 5 |
or in the | 5 |
in opposition to | 5 |
end of a | 5 |
current to flow | 5 |
in each case | 5 |
not in use | 5 |
may be connected | 5 |
the edge of | 5 |
the bar a | 5 |
be placed in | 5 |
flows from the | 5 |
same as the | 5 |
unknown resistance is | 5 |
at the back | 5 |
a means of | 5 |
contact of the | 5 |
direct current dynamo | 5 |
magnetic field of | 5 |
to do the | 5 |
be the same | 5 |
be put in | 5 |
will be understood | 5 |
less than the | 5 |
as indicated by | 5 |
are provided with | 5 |
up with the | 5 |
is obvious that | 5 |
to the upper | 5 |
carrying a current | 5 |
broken wire and | 5 |
starting a dynamo | 5 |
to its original | 5 |
the latter is | 5 |
insufficient residual magnetism | 5 |
to the ground | 5 |
share of the | 5 |
indication that the | 5 |
to reverse the | 5 |
at the terminals | 5 |
be found that | 5 |
be in the | 5 |
when the switch | 5 |
one pole of | 5 |
in a certain | 5 |
and for the | 5 |
in the middle | 5 |
will be heated | 5 |
turns of wire | 5 |
first and second | 5 |
distance to the | 5 |
the insulation between | 5 |
end to end | 5 |
is dependent upon | 5 |
flow through the | 5 |
voltage between the | 5 |
from the foregoing | 5 |
coils are connected | 5 |
due to bad | 5 |
when there is | 5 |
a shunt machine | 5 |
end of this | 5 |
a portion of | 5 |
a few minutes | 5 |
that it can | 5 |
opposition to the | 5 |
ray of light | 5 |
resistance is cut | 5 |
be made with | 5 |
of the block | 5 |
we have a | 5 |
insulation between the | 5 |
point where the | 5 |
of rotation of | 5 |
will be indicated | 5 |
by the resistance | 5 |
to give the | 5 |
the best results | 5 |
are to be | 5 |
degree of accuracy | 5 |
the motor be | 5 |
placed at the | 5 |
galvanometer is connected | 5 |
brushes and commutator | 5 |
arrangement of the | 5 |
which is of | 5 |
the path of | 5 |
the deflections of | 5 |
through the resistance | 5 |
in the main | 5 |
in diameter and | 5 |
and overload release | 5 |
rear end of | 5 |
a solution of | 5 |
of the condenser | 5 |
is the result | 5 |
terminals are connected | 5 |
volume of gas | 5 |
action in dynamo | 5 |
of the first | 5 |
differential galvanometer method | 5 |
wide and inch | 5 |
by the number | 5 |
is used to | 5 |
current from a | 5 |
angle of deflection | 5 |
of the system | 5 |
is as follows | 5 |
terminal to the | 5 |
on either side | 5 |
in position by | 5 |
wire in the | 5 |
in the two | 5 |
same as in | 5 |
are as follows | 5 |
post and the | 5 |
be made as | 5 |
a and c | 5 |
which is to | 5 |
means of an | 5 |
with the armature | 5 |
the second method | 5 |
with one terminal | 5 |
the main line | 5 |
that the bearings | 5 |
through the shunt | 5 |
case of a | 5 |
which has a | 5 |
made as shown | 5 |
placed in a | 5 |
the u tube | 5 |
that the machine | 5 |
the box is | 5 |
the ratio coils | 5 |
in the following | 5 |
and the motor | 5 |
the resistance between | 5 |
two kinds of | 5 |
are in the | 5 |
of a conductor | 5 |
the first contact | 5 |
it is difficult | 5 |
current will flow | 5 |
its lower end | 5 |
as to form | 5 |
in the series | 5 |
the load is | 5 |
the simplest form | 5 |
may be remedied | 5 |
field of a | 5 |
by varying the | 5 |
with a standard | 5 |
the galvanometer deflection | 4 |
how does the | 4 |
applied to a | 4 |
what precaution should | 4 |
so that its | 4 |
the size of | 4 |
when the brushes | 4 |
that this is | 4 |
connections for the | 4 |
the needle be | 4 |
it is usually | 4 |
of the ordinary | 4 |
by the magnetic | 4 |
by this method | 4 |
of the various | 4 |
to a greater | 4 |
magnetic field at | 4 |
if we have | 4 |
the magnet and | 4 |
of the plate | 4 |
in a measure | 4 |
be passed through | 4 |
the scale of | 4 |
the load upon | 4 |
of insulated wire | 4 |
wires in a | 4 |
cut out by | 4 |
across the terminals | 4 |
as a motor | 4 |
that in the | 4 |
the rated capacity | 4 |
few turns of | 4 |
of the electrodes | 4 |
set up in | 4 |
the base and | 4 |
acted upon by | 4 |
the armature to | 4 |
of the box | 4 |
the reverse voltage | 4 |
if the voltage | 4 |
from right to | 4 |
likely to be | 4 |
coil is wound | 4 |
values of the | 4 |
operator at station | 4 |
may be located | 4 |
and northrup potentiometer | 4 |
telescope and scale | 4 |
line with the | 4 |
over a wire | 4 |
type of resistance | 4 |
form of a | 4 |
output of the | 4 |
to the correct | 4 |
due to this | 4 |
the course of | 4 |
go through the | 4 |
fall of pressure | 4 |
are cut out | 4 |
for a variation | 4 |
combined armature and | 4 |
connecting up the | 4 |
of a coil | 4 |
of eddy currents | 4 |
is taken of | 4 |
on the wire | 4 |
according to the | 4 |
twice the angle | 4 |
to the coils | 4 |
shunt or compound | 4 |
a represents the | 4 |
which will be | 4 |
in a motor | 4 |
to run in | 4 |
for measuring the | 4 |
the coil of | 4 |
standard of measurement | 4 |
brushes of the | 4 |
from the armature | 4 |
the failure to | 4 |
swing to the | 4 |
the defective wire | 4 |
in either case | 4 |
the voltage between | 4 |
used to measure | 4 |
if the fault | 4 |
switch be closed | 4 |
to which a | 4 |
polarity of the | 4 |
the posts marked | 4 |
in the latter | 4 |
leads from the | 4 |
that due to | 4 |
is enclosed in | 4 |
for a short | 4 |
when the loop | 4 |
machines may be | 4 |
the surrounding air | 4 |
contact on the | 4 |
should be tested | 4 |
result is that | 4 |
armature circuit of | 4 |
a galvanometer is | 4 |
the credit of | 4 |
simple electric heater | 4 |
with levelling screws | 4 |
comparison with a | 4 |
it is mounted | 4 |
of the voltage | 4 |
action of a | 4 |
circuit to the | 4 |
with a resistance | 4 |
solution of copper | 4 |
precaution should be | 4 |
that the contact | 4 |
is placed at | 4 |
of heavy wire | 4 |
at an angle | 4 |
measured is passed | 4 |
that the needle | 4 |
the current which | 4 |
a binding screw | 4 |
is the resistance | 4 |
portable testing set | 4 |
coil will be | 4 |
frame of the | 4 |
the magnet is | 4 |
within the magnetic | 4 |
on each side | 4 |
or in parallel | 4 |
to produce the | 4 |
lead to the | 4 |
the battery post | 4 |
to complete the | 4 |
to do this | 4 |
to measure a | 4 |
order to prevent | 4 |
and on the | 4 |
this be not | 4 |
for the various | 4 |
on the top | 4 |
charge of electricity | 4 |
shunt field circuit | 4 |
piece of metal | 4 |
ammeters and voltmeters | 4 |
should have a | 4 |
arms of the | 4 |
set of brushes | 4 |
voltmeter is connected | 4 |
winding consists of | 4 |
arms a and | 4 |
a shunt motor | 4 |
done if the | 4 |
for speed regulation | 4 |
forward end of | 4 |
which is in | 4 |
there is also | 4 |
the iron surface | 4 |
can be readily | 4 |
place of the | 4 |
made in the | 4 |
advantage is taken | 4 |
the winding of | 4 |
as may be | 4 |
likely to occur | 4 |
it is well | 4 |
and provided with | 4 |
bar test for | 4 |
commutator with a | 4 |
dynamo may be | 4 |
the armature wires | 4 |
to the rheostat | 4 |
the handle of | 4 |
method of repairing | 4 |
one end to | 4 |
excessive heating of | 4 |
it is best | 4 |
of the faulty | 4 |
of the set | 4 |
the choking coil | 4 |
indicated by a | 4 |
tips of the | 4 |
in the pole | 4 |
the main knife | 4 |
by a single | 4 |
of the darts | 4 |
details of the | 4 |
in the chapter | 4 |
necessary to connect | 4 |
be reversed by | 4 |
out of parallel | 4 |
moving the lever | 4 |
the line post | 4 |
connections between the | 4 |
from left to | 4 |
the potentiometer is | 4 |
cross section of | 4 |
a short coil | 4 |
coupling series dynamos | 4 |
the load will | 4 |
the frame of | 4 |
by the two | 4 |
various types of | 4 |
with the field | 4 |
on the resistance | 4 |
directly into electricity | 4 |
and is the | 4 |
from the copper | 4 |
at the time | 4 |
it is to | 4 |
from a to | 4 |
main knife switch | 4 |
adopted by the | 4 |
a difference of | 4 |
of electricity passes | 4 |
balance is obtained | 4 |
to a certain | 4 |
the two ends | 4 |
the commutator end | 4 |
of the transmitter | 4 |
to regulate the | 4 |
the dynamo was | 4 |
ten ohm coils | 4 |
there are three | 4 |
be located by | 4 |
the potentiometer reading | 4 |
should be opened | 4 |
of the dial | 4 |
are connected to | 4 |
the dynamo to | 4 |
the operator at | 4 |
the long coil | 4 |
to which is | 4 |
the queen acme | 4 |
the extreme right | 4 |
is wound with | 4 |
the positive lead | 4 |
with the load | 4 |
so far as | 4 |
the human eye | 4 |
pressure upon the | 4 |
the meter is | 4 |
u and v | 4 |
side of a | 4 |
to overcome the | 4 |
to the moving | 4 |
little or no | 4 |
oil should be | 4 |
the moment the | 4 |
with which it | 4 |
dynamo into and | 4 |
motor starting rheostats | 4 |
the coils be | 4 |
on constant voltage | 4 |
of the large | 4 |
because they are | 4 |
of the plates | 4 |
a temperature of | 4 |
should be thoroughly | 4 |
from the table | 4 |
the rheostat resistance | 4 |
oscillations of the | 4 |
extreme right hand | 4 |
the brushes of | 4 |
the normal speed | 4 |
do the work | 4 |
may be rotated | 4 |
while the other | 4 |
a very simple | 4 |
to be short | 4 |
running to the | 4 |
is in contact | 4 |
then the current | 4 |
the motor has | 4 |
it does not | 4 |
must be a | 4 |
zinc and copper | 4 |
field and the | 4 |
larger than the | 4 |
the positive plates | 4 |
armature or commutator | 4 |
has been the | 4 |
two main conductors | 4 |
other piece of | 4 |
the two pieces | 4 |
which they are | 4 |
this should be | 4 |
of the different | 4 |
in a cable | 4 |
and the instrument | 4 |
a means whereby | 4 |
of resistance is | 4 |
the adjusting screw | 4 |
may be shunted | 4 |
can be connected | 4 |
in the box | 4 |
in a wire | 4 |
the arms of | 4 |
the right hand | 4 |
the location of | 4 |
may be of | 4 |
at any time | 4 |
by the weight | 4 |
circuit through the | 4 |
as the speed | 4 |
to operate the | 4 |
and bad wires | 4 |
across the line | 4 |
of a volt | 4 |
the reading is | 4 |
coils will be | 4 |
of gas liberated | 4 |
the maximum speed | 4 |
inserted in the | 4 |
base of the | 4 |
circuit in the | 4 |
circuits between sections | 4 |
on which the | 4 |
is placed a | 4 |
will now be | 4 |
a variety of | 4 |
diagram of the | 4 |
in its character | 4 |
the distance to | 4 |
obtained by the | 4 |
in the insulation | 4 |
sure that the | 4 |
up in the | 4 |
right hand dial | 4 |
has been made | 4 |
field of the | 4 |
coils can be | 4 |
up to full | 4 |
connected across the | 4 |
of the earth | 4 |
a resistance in | 4 |
certain amount of | 4 |
this has been | 4 |
to the credit | 4 |
bridging across the | 4 |
may be cut | 4 |
varies with the | 4 |
use of a | 4 |
generated in the | 4 |
mounted upon a | 4 |
in the reservoir | 4 |
to a current | 4 |
detect and measure | 4 |
made of hard | 4 |
the study of | 4 |
should be reversed | 4 |
this is called | 4 |
the pressure in | 4 |
be found in | 4 |
cut out the | 4 |
the apparatus is | 4 |
it is therefore | 4 |
not be affected | 4 |
between the first | 4 |
the recording pen | 4 |
the first to | 4 |
through the two | 4 |
series coils of | 4 |
division of the | 4 |
under such circumstances | 4 |
to occur in | 4 |
point in the | 4 |
the removal of | 4 |
it is an | 4 |
an intense heat | 4 |
upwardly through the | 4 |
the causes of | 4 |
they are liable | 4 |
making hydrogen and | 4 |
through the magnetic | 4 |
and the field | 4 |
the field windings | 4 |
which has been | 4 |
to cause a | 4 |
are wound with | 4 |
short circuiting the | 4 |
directly to the | 4 |
by the dotted | 4 |
the properties of | 4 |
the switch f | 4 |
of a voltmeter | 4 |
to be connected | 4 |
that it cannot | 4 |
it is now | 4 |
the current relay | 4 |
at all times | 4 |
as it were | 4 |
and then the | 4 |
location of opens | 4 |
to deflect the | 4 |
construction of the | 4 |
the base has | 4 |
us assume that | 4 |
the base of | 4 |
a device which | 4 |
resistance must be | 4 |
the capacity of | 4 |
be removed from | 4 |
to be tested | 4 |
to be found | 4 |
the measurement of | 4 |
a standard of | 4 |
is used as | 4 |
the shunt resistance | 4 |
the latter may | 4 |
if a current | 4 |
that when a | 4 |
inch wide and | 4 |
between the ends | 4 |
the bad wire | 4 |
l is the | 4 |
a device for | 4 |
the residual magnetism | 4 |
for the current | 4 |
too great a | 4 |
designed to carry | 4 |
at the bottom | 4 |
of the pipe | 4 |
distance from the | 4 |
right to left | 4 |
south pole of | 4 |
increase of load | 4 |
of magnetic metal | 4 |
heavy sparking at | 4 |
will not build | 4 |
a wide range | 4 |
the movements of | 4 |
is not a | 4 |
of testing for | 4 |
to the resistance | 4 |
it is more | 4 |
for the work | 4 |
and must be | 4 |
made of a | 4 |
so it will | 4 |
pieces of the | 4 |
of electric iron | 4 |
bar to bar | 4 |
connecting the field | 4 |
see that they | 4 |
that if we | 4 |
the battery circuit | 4 |
a current to | 4 |
will probably be | 4 |
direct to the | 4 |
reference to a | 4 |
be shut down | 4 |
a certain amount | 4 |
any number of | 4 |
be out of | 4 |
of the light | 4 |
to the bell | 4 |
currents in the | 4 |
wire may be | 4 |
around the coil | 4 |
coils are wound | 4 |
the field and | 4 |
the galvanometer shows | 4 |
of a short | 4 |
inch thick and | 4 |
no current in | 4 |
an iron core | 4 |
a very high | 4 |
should the voltage | 4 |
with a pair | 4 |
on open circuit | 4 |
at the bus | 4 |
the post f | 4 |
is connected with | 4 |
held against the | 4 |
the voltage is | 4 |
it is evident | 4 |
at the zero | 4 |
is mounted a | 4 |
and compound dynamos | 4 |
the sensitiveness of | 4 |
be of the | 4 |
left to right | 4 |
right hand side | 4 |
the load on | 4 |
than the other | 4 |
the motor should | 4 |
each side of | 4 |
and the upper | 4 |
on the next | 4 |
no resistance in | 4 |
should the brushes | 4 |
on which is | 4 |
up with a | 4 |
more than a | 4 |
by applying the | 4 |
from another dynamo | 4 |
crown of cups | 4 |
outside of the | 4 |
hot wire instruments | 4 |
of the ammeter | 4 |
of the whole | 4 |
on the left | 4 |
a primary battery | 4 |
size of the | 4 |
it is also | 4 |
to follow the | 4 |
the pressures of | 4 |
one of these | 4 |
directly over the | 4 |
a tangent galvanometer | 4 |
coupling compound dynamos | 4 |
will thus be | 4 |
piece of iron | 4 |
rise of temperature | 4 |
field coils of | 4 |
of potential between | 4 |
machine may be | 4 |
with a galvanometer | 4 |
uniform cross section | 4 |
top view of | 4 |
to the commutator | 4 |
with a wire | 4 |
shape of the | 4 |
between the poles | 4 |
the insulation is | 4 |
which the motor | 4 |
so the current | 4 |
this is shown | 4 |
dynamo should be | 4 |
that it was | 4 |
to the scale | 4 |
as quickly as | 4 |
in the operation | 4 |
constant voltage circuits | 4 |
attention should be | 4 |
operate the motor | 4 |
how may the | 4 |
produce a deflection | 4 |
taken from the | 4 |
which is a | 4 |
the two electrodes | 4 |
with a large | 4 |
by measuring the | 4 |
the instruments are | 4 |
ratio coils are | 4 |
frame or core | 4 |
to which it | 4 |
reading of the | 4 |
the connections for | 4 |
of the ratio | 4 |
the armature chamber | 4 |
an open circuit | 4 |
switches as shown | 4 |
bridge arm b | 4 |
obvious that the | 4 |
which has the | 4 |
are made by | 4 |
field magnet cores | 4 |
under these circumstances | 4 |
an alternating current | 4 |
in series or | 4 |
for which the | 4 |
in the coils | 4 |
at the distant | 4 |
may be put | 4 |
be taken in | 4 |
inserted in series | 4 |
restraining force of | 4 |
and should be | 4 |
as far as | 4 |
below normal speed | 4 |
no deflection when | 4 |
with this arrangement | 4 |
the resistance coil | 4 |
in the usual | 4 |
amount of speed | 4 |
be done by | 4 |
the efficiency of | 4 |
adjustment of brushes | 4 |
and hold it | 4 |
an arc lamp | 4 |
be given to | 4 |
that the insulation | 4 |
are attached to | 4 |
pieces of magnetic | 4 |
of deflection of | 4 |
needle of the | 4 |
pressure of this | 4 |
part of it | 4 |
and b and | 4 |
is not in | 4 |
with one of | 4 |
good wire and | 4 |
what does the | 4 |
and the galvanometer | 4 |
a small hole | 4 |
to give a | 4 |
because the resistance | 4 |
brought into contact | 4 |
must be used | 4 |
the normal index | 4 |
the line wires | 4 |
the heating of | 4 |
in the path | 4 |
that the magnetic | 4 |
action in motor | 4 |
let us assume | 4 |
you will note | 4 |
of the total | 4 |
of the belt | 4 |
where it is | 4 |
furnished with the | 4 |
a convenient method | 4 |
given by the | 4 |
quickly to rest | 4 |
the segments are | 4 |
voltaic or galvanic | 4 |
in cross section | 4 |
a dynamo be | 4 |
the insulation resistance | 4 |
terminals of each | 4 |
readily estimated to | 4 |
can then be | 4 |
acting on the | 4 |
at its upper | 4 |
of a commutator | 4 |
credit of the | 4 |
the armature current | 4 |
is a very | 4 |
will be as | 4 |
and the secondary | 4 |
upon what does | 4 |
strength of a | 4 |
current is passed | 4 |
a compound dynamo | 4 |
of tangent galvanometer | 4 |
of ratio coils | 4 |
of the electro | 4 |
are called the | 4 |
of the series | 4 |
regulation by armature | 4 |
from one pole | 4 |
and if the | 4 |
the wire of | 4 |
decade can be | 4 |
should be given | 4 |
is wound to | 4 |
m and n | 4 |
the difference in | 4 |
the tension of | 4 |
at which it | 4 |
is the indication | 4 |
on the bridge | 4 |
there must be | 4 |
post of the | 4 |
resistance of a | 4 |
should not exceed | 4 |
to the strength | 4 |
circuit of the | 4 |
is the most | 4 |
made as follows | 4 |
and the brush | 4 |
stations in circuit | 4 |
at any point | 4 |
with the frame | 4 |
it is better | 4 |
for use with | 4 |
that they may | 4 |
of the metal | 4 |
subjected to a | 4 |
movement of a | 4 |
machine is started | 4 |
be adjusted to | 4 |
in the illustration | 4 |
to a column | 4 |
tenths switch and | 4 |
should be connected | 4 |
before starting a | 4 |
motor should be | 4 |
the neutral plane | 4 |
a series machine | 4 |
at the top | 4 |
the current used | 4 |
diagram of connections | 4 |
between sections through | 4 |
of excessive voltage | 4 |
after which it | 4 |
held in the | 4 |
upon a magnetic | 4 |
cut in the | 4 |
the result is | 4 |
switches u and | 4 |
passing through a | 4 |
the bridge is | 4 |
one of them | 4 |
a part of | 4 |
of a pair | 4 |
of the deflection | 4 |
connection with a | 4 |
the machines is | 4 |
in a telephone | 4 |
remedy is to | 4 |
by connecting the | 4 |
if the wire | 3 |
take care of | 3 |
up with one | 3 |
through frame or | 3 |
pressures of the | 3 |
the impure sheet | 3 |
should be of | 3 |
current which has | 3 |
is made with | 3 |
when a dynamo | 3 |
from north to | 3 |
remain the same | 3 |
put in the | 3 |
wires from the | 3 |
the cell or | 3 |
break down the | 3 |
of a cell | 3 |
of resistance in | 3 |
also passes through | 3 |
of the single | 3 |
instruments are connected | 3 |
a short time | 3 |
not in the | 3 |
with frictional electricity | 3 |
to oppose the | 3 |
and this is | 3 |
magnetic vane instrument | 3 |
the sine of | 3 |
will give a | 3 |
the needle in | 3 |
the number plate | 3 |
contact with each | 3 |
a current from | 3 |
the other line | 3 |
form of the | 3 |
the right or | 3 |
to be destroyed | 3 |
will be no | 3 |
to the secondary | 3 |
when the resistance | 3 |
is in series | 3 |
are made in | 3 |
the bridge arms | 3 |
the circuit when | 3 |
storage or secondary | 3 |
that the small | 3 |
of this fault | 3 |
are made up | 3 |
heat may be | 3 |
as a consequence | 3 |
diagram shows the | 3 |
to one side | 3 |
inner end of | 3 |
points north and | 3 |
the connection is | 3 |
for determining the | 3 |
thence through the | 3 |
down on the | 3 |
engage with the | 3 |
the direction in | 3 |
currents may be | 3 |
of the tangent | 3 |
and the wires | 3 |
a band of | 3 |
from one of | 3 |
special loop test | 3 |
the remaining coils | 3 |
it consists essentially | 3 |
as it will | 3 |
the moving system | 3 |
disconnected from the | 3 |
that the setting | 3 |
and you will | 3 |
on both sides | 3 |
call the reading | 3 |
the scale s | 3 |
will prevent the | 3 |
determined by the | 3 |
to prevent this | 3 |
is supposed to | 3 |
point to the | 3 |
by adjusting the | 3 |
of the needles | 3 |
run in a | 3 |
circuits between adjacent | 3 |
iron type instrument | 3 |
there be any | 3 |
instrument is made | 3 |
the bar d | 3 |
is brought up | 3 |
of locating a | 3 |
either direct or | 3 |
be kept clean | 3 |
high resistance wire | 3 |
be compared with | 3 |
such a way | 3 |
the motor at | 3 |
stop a motor | 3 |
high resistance and | 3 |
that the fault | 3 |
the fact will | 3 |
dynamos and motors | 3 |
to the block | 3 |
reason that the | 3 |
variation of of | 3 |
a wire or | 3 |
a current through | 3 |
be taken to | 3 |
the several dynamos | 3 |
and the dynamo | 3 |
in the second | 3 |
will be less | 3 |
this purpose a | 3 |
the resistance to | 3 |
the two branches | 3 |
condition of commutator | 3 |
the united states | 3 |
the position st | 3 |
the pointer at | 3 |
at about the | 3 |
from a few | 3 |
through the holes | 3 |
force of the | 3 |
the position shown | 3 |
be made at | 3 |
the differential galvanometer | 3 |
are made of | 3 |
brushes and the | 3 |
electricity passes through | 3 |
should be adjusted | 3 |
obtained from the | 3 |
brushes not properly | 3 |
connected direct to | 3 |
positive or negative | 3 |
must be kept | 3 |
which the galvanometer | 3 |
be altered by | 3 |
the negative plates | 3 |
adapted to receive | 3 |
piece of apparatus | 3 |
in the top | 3 |
to the armature | 3 |
the greater the | 3 |
of the customer | 3 |
the setting marks | 3 |
made of metal | 3 |
well as in | 3 |
for about a | 3 |
the brushes upon | 3 |
where l is | 3 |
bore a hole | 3 |
will tend to | 3 |
this means that | 3 |
to be grounded | 3 |
known to be | 3 |
eddy currents in | 3 |
magnetic field is | 3 |
the battery of | 3 |
coils from the | 3 |
be shunted with | 3 |
brushes in a | 3 |
is connected across | 3 |
ohm coils for | 3 |
at full load | 3 |
the instrument has | 3 |
in that the | 3 |
is found in | 3 |
to be accurately | 3 |
the post ba | 3 |
and method of | 3 |
location with leeds | 3 |
the equalizing connection | 3 |
to acquire the | 3 |
electric hand purifier | 3 |
to be the | 3 |
should be closed | 3 |
the leads from | 3 |
to the iron | 3 |
the arm b | 3 |
be possible to | 3 |
the main circuit | 3 |
of the equalizer | 3 |
not be used | 3 |
test for grounded | 3 |
in the ordinary | 3 |
the other dynamos | 3 |
permanent magnet m | 3 |
a balance is | 3 |
the field with | 3 |
equivalent to a | 3 |
series or in | 3 |
arranged so that | 3 |
speed reduction obtainable | 3 |
if the instrument | 3 |
the grid is | 3 |
current strength in | 3 |
quarter of an | 3 |
a quarter of | 3 |
to the magnet | 3 |
the terminal of | 3 |
of current in | 3 |
to the passage | 3 |
and a new | 3 |
coils and the | 3 |
the coils and | 3 |
the hand to | 3 |
could be made | 3 |
and to the | 3 |
a spiral spring | 3 |
the commutator as | 3 |
would be difficult | 3 |
the wall or | 3 |
coil or coils | 3 |
coils be connected | 3 |
the needle through | 3 |
in a battery | 3 |
through the meter | 3 |
and the resistance | 3 |
down the engine | 3 |
those of the | 3 |
the object of | 3 |
of the springs | 3 |
stationary when the | 3 |
the field of | 3 |
of the spool | 3 |
what is a | 3 |
the interior of | 3 |
the working parts | 3 |
which carries the | 3 |
by the other | 3 |
the distance between | 3 |
to protect the | 3 |
a distance of | 3 |
speed of a | 3 |
the body of | 3 |
prevent the machine | 3 |
instrument has a | 3 |
tendency for the | 3 |
is a common | 3 |
the machine do | 3 |
is made up | 3 |
of the fault | 3 |
the voltage rises | 3 |
is generated by | 3 |
will make a | 3 |
tends to turn | 3 |
the dimensions of | 3 |
such as to | 3 |
to the pressure | 3 |
serve as a | 3 |
battery is connected | 3 |
each of these | 3 |
arrangement of resistances | 3 |
the plug is | 3 |
different ways of | 3 |
voltage will be | 3 |
a charged wire | 3 |
offered by the | 3 |
it there for | 3 |
resistance may be | 3 |
made in a | 3 |
that the commutator | 3 |
constructed on the | 3 |
the correct positions | 3 |
current between the | 3 |
large amount of | 3 |
the cell is | 3 |
far as the | 3 |
formed through the | 3 |
speed in the | 3 |
which passes through | 3 |
wire being connected | 3 |
shunt wound motor | 3 |
field coils and | 3 |
of short circuits | 3 |
is independent of | 3 |
it to the | 3 |
a wooden base | 3 |
when used with | 3 |
short circuited armature | 3 |
pressure on the | 3 |
when connected in | 3 |
go to the | 3 |
to and from | 3 |
in the receiver | 3 |
the basis of | 3 |
north pole to | 3 |
with the instrument | 3 |
the various parts | 3 |
being the number | 3 |
between the field | 3 |
a large conductor | 3 |
pieces of metal | 3 |
used for measuring | 3 |
or at any | 3 |
to guard against | 3 |
flowing through the | 3 |
to reverse itself | 3 |
the rheostat arm | 3 |
load upon the | 3 |
adapting it to | 3 |
being designed to | 3 |
two coils of | 3 |
the law of | 3 |
an angle to | 3 |
with a short | 3 |
regulating the speed | 3 |
end to a | 3 |
angles to each | 3 |
this is accomplished | 3 |
to disconnect the | 3 |
the perfect coils | 3 |
from this cause | 3 |
constructed as a | 3 |
resistance out of | 3 |
then close the | 3 |
varying the speed | 3 |
off the commutator | 3 |
the total length | 3 |
suspended at the | 3 |
be discovered by | 3 |
station to the | 3 |
the light is | 3 |
of the fact | 3 |
a multiplier is | 3 |
be indicated by | 3 |
least sparking occurs | 3 |
taken of this | 3 |
the two outer | 3 |
to bad adjustment | 3 |
at its lower | 3 |
the line a | 3 |
current and the | 3 |
between any two | 3 |
the plugs are | 3 |
if the field | 3 |
up so that | 3 |
as we have | 3 |
regulate the pressure | 3 |
or another dynamo | 3 |
than the perfect | 3 |
series field winding | 3 |
quickly as possible | 3 |
uncertainty as to | 3 |
a difference in | 3 |
one end a | 3 |
that the deflection | 3 |
the contact on | 3 |
a resistance to | 3 |
base is a | 3 |
moisture in the | 3 |
otherwise the machine | 3 |
place the double | 3 |
is within the | 3 |
inch below the | 3 |
short circuits the | 3 |
current by the | 3 |
as would be | 3 |
strain on the | 3 |
holes in the | 3 |
causes of excessive | 3 |
or short circuited | 3 |
to the two | 3 |
magnet to the | 3 |
which is not | 3 |
the dynamo may | 3 |
an electric bell | 3 |
foregoing it will | 3 |
having thereon a | 3 |
of one or | 3 |
not only the | 3 |
contact faces of | 3 |
the other pole | 3 |
is merely a | 3 |
the left hand | 3 |
the double pole | 3 |
of the queen | 3 |
the resistance wire | 3 |
the resistance employed | 3 |
and the core | 3 |
an aluminum disc | 3 |
occur when the | 3 |
switch for a | 3 |
the galvanometer terminals | 3 |
the wire being | 3 |
to measure high | 3 |
the adjustment of | 3 |
with the same | 3 |
and measure electricity | 3 |
with a cloth | 3 |
tend to turn | 3 |
resistance box is | 3 |
negative terminal to | 3 |
the dynamo will | 3 |
an induction coil | 3 |
make a complete | 3 |
to the electro | 3 |
within is a | 3 |
the inner end | 3 |
making good contact | 3 |
two equal currents | 3 |
circuits in armature | 3 |