As per Faraday’s laws of electromagnetic induction, an e.m.f. is induced in a conductor whenever it_______________?

Related Mcqs:

Both the number of turns and the core length of an inductive coil are doubled. Its self-inductance will be_____________?

A. unaffected B. doubled C. halved D. quadrupled...

The core of a coil has a length of 200 mm. The inductance of coil is 6 mH. If the core length is doubled, all other quantities, remaining the same, the inductance will be_____________?

A. 3 mH B. 12 mH C. 24mH D. 48mH...

An average voltage of 10 V is induced in a 250 turns solenoid as a result of a change in flux which occurs in 0.5 second. The total flux change is____________?

A. 20 Wb B. 2 Wb C. 0.2 Wb D. 0.02 Wb...

Which of the following works on torque on the current carrying conductor placed in magnetic field ?

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

The only difference between construction of D.C generator and A.C generator is that of_______________?

A. carbon brushes B. coil C. commutator D. magnetic field...