Electromagnetic Induction

A. galvanometer
B. ammeter
C. voltmeter
D. all of the above

A. producing heat
B. producing light
C. magnetizing and electroplating
D. all the above

A. galvanometer
B. ammeter
C. voltmeter
D. all of above

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.

A. maximum magnetic flux
B. rate of change of magnetic flux
C. change in magnetic flux
D. initial magnetic flux

A. Magnetic field intensity
B. magnetic induction
C. magnetic flux
D. self-inductance

A. producing heat
B. producing light
C. magnetizing and electroplating
D. all the above

A. mechanical energy into electrical energy
B. electrical energy into mechanical energy
C. magnetic energy into mechanical energy
D. magnetic energy into electrical energy

A. number of turns in the coil
B. magnetic field strength
C. frequency of rotation
D. all of above

A. A.C current
B. D.C current
C. induced current
D. mean square current