| 1 |
A shunt resistance parallel to the galvanometer is used to convert it into |
avometer
millimeter
voltmeter
none of these
|
| 2 |
In a moving coil galvanometer, the deflecting couple depends upon |
area of the coil
number of turns of coil
value of magnetic field
all of the above
|
| 3 |
For the conversion of galvanometer into voltmeter, we connect a |
small resistance in series with galvanometer
small resistance in parallel with galvanometer
high resistance in parallel with galvanometer
high resistance series with galvanometer
|
| 4 |
The working of galvanometer depends upon torque exerted on a current carrying coil in |
magnetic field
electric field
gravitational field
nuclear field
|
| 5 |
Galvanometer is a device used for the detection of |
voltage
current
temperature
pressure
|
| 6 |
The working of all DC electric meters (galvanometers, ammetersand voltmeters) depends upon |
Heating effect of current
Chemical effect of current
Magnetic effect of current
Electromagnetic effect of current
|
| 7 |
To convert galvanometer into ammeter we connect |
small resistance in parallel with galvanometer
small resistance in series with galvanometer
high resistance in series with galvanometer
high resistance in parallel with galvanometer
|
| 8 |
The galvanometer can be made sensitive if the value of the factor C/BAN is |
constant
small
large
none of these
|
| 9 |
A galvanometer is an instrument used to |
measure voltage across a circuit
detect current in a circuit
measure current flowing through a circuit
none of these
|
| 10 |
The current sensitivity of the galvanometer is |
C/BAN
BAN/C
CAN/B
CBN/A
|
| 11 |
The vector representation of force experience give the direction of |
magnetic field
current
length of conductor
force
|
| 12 |
F = I(L x B) is a |
vector
scalar
unit vector
none of these
|
| 13 |
The gavanometer constant of a moving coil galvanometer is given by |
K=BAN/C
K=BN/CA
K=NAC/B
K=C/BAN
|
| 14 |
When the waveform of one voltage is increasing and that of second is decreasing and vice versa, then phase difference between these voltage is |
90<span style="color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;">°</span>
75<span style="color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;">°</span>
0<span style="color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;">°</span>
180<span style="color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;">°</span>
|
| 15 |
The CRO is used for displaying the waveform of a given |
current
voltage
both of them
none of them
|
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