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Electromagnetic Induction QUESTIONS AND ANSWERS

Electrical Engineering : Electromagnetic Induction QUESTIONS AND ANSWERS :: part2 : 1 to 5

Following Electrical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :

1.Which circuit element(s) will oppose the change in circuit current ?

Resistance only

Inductance only

Capacitance only

Inductance and capacitance

2.Find the force acting on a conductor 3m long carrying a current of 50 amperes at right angles to a magnetic field having a flux density of 0.67 tesla.

100 N

400 N

600 N

1000 N

3.Lenz's law is a consequence of the law of conservation of

induced current

charge

energy

induced e.m.f.

4.A conductor 2 metres long moves at right angles to a magnetic field of flux density 1 tesla with a velocity of 12.5 m/s. The induced e.m.f. in the conductor will be

10 V

15 V

25V

50V

5.The co-efficient of coupling between two air core coils depends on

self-inductance of two coils only

mutual inductance between two coils only

mutual inductance and self inductance of two coils

none of the above

More Electromagnetic Induction QUESTIONS AND ANSWERS available in next pages