A. producing heat
B. producing light
C. magnetizing and electroplating
D. all the above
0
Weber is the unit of_____________?
0
emf induced in a circuit according to Faradays law depends on the_____________?
A. Magnetic field intensity
B. magnetic induction
C. magnetic flux
D. self-inductance
0
An alternating current or voltage________________?
A. maximum magnetic flux
B. rate of change of magnetic flux
C. change in magnetic flux
D. initial magnetic flux
0
Which one of the following functions like a motor ?
A. fluctuates off and on
B. varies in magnitude alone
C. changes its direction again and again
D. changes its magnitude continuously and reverses its direction of flow after regularly recurring intervals.
0
A.C cannot be used for________________?
A. galvanometer
B. ammeter
C. voltmeter
D. all of above
0
Which of the following works on torque on the current carrying conductor placed in magnetic field ?
A. producing heat
B. producing light
C. magnetizing and electroplating
D. all the above
0
If the coil is wound on an iron core the flux through it will_______________?
A. galvanometer
B. ammeter
C. voltmeter
D. all of the above
0
Inductors acts as a short circuit for_______________?
A. decrease
B. become zero
C. remain the same
D. increase
0
Which of the following uses electric energy and does not convert it into any other form ?
A. AC
B. DC
C. Both A and B
D. none of these
Download App