Electromagnetic Induction & Alternating Currents-Self and Mutual Inductance (AIIMS Physics): Questions 1 - 6 of 9

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Question number: 1

» Electromagnetic Induction & Alternating Currents » Self and Mutual Inductance

MCQ▾

Question

The mutual inductance of two coils when magnetic flux changes by 2×102Wb and current changes by 0.01 A is –

Choices

Choice (4) Response

a.

2 H

b.

3 H

c.

4 H

d.

8 H

Question number: 2

» Electromagnetic Induction & Alternating Currents » Self and Mutual Inductance

Appeared in Year: 1982

MCQ▾

Question

The current passing through a choke coil of 5 H is decreasing at the rate of 2amperesecond . The emf developing across the coil is – [CPMT, MPPMT-90, AIIMS-97]

Choices

Choice (4) Response

a.

2.5 V

b.

– 10 V

c.

10 V

d.

– 2.5 V

Question number: 3

» Electromagnetic Induction & Alternating Currents » Self and Mutual Inductance

Appeared in Year: 1998

MCQ▾

Question

Transformer works on the basis of the following phenomenon –

[AIIMS, RPMT-89]

Choices

Choice (4) Response

a.

Electrical discharge

b.

Mutual induction

c.

Self-induction

d.

Generation of electro-magnetic waves.

Question number: 4

» Electromagnetic Induction & Alternating Currents » Self and Mutual Inductance

MCQ▾

Question

The current passing through a choke coil of 12 H is decreasing at the rate of 1amperesecond . The emf developing across the coil is –

Choices

Choice (4) Response

a.

6 V

b.

– 6 V

c.

12 V

d.

– 12 V

Question number: 5

» Electromagnetic Induction & Alternating Currents » Self and Mutual Inductance

MCQ▾

Question

The current passing through a choke coil of 9 H is decreasing at the rate of 3amperesecond . The emf developing across the coil is –

Choices

Choice (4) Response

a.

27 V

b.

-27 V

c.

3 V

d.

– 3.0 V

Question number: 6

» Electromagnetic Induction & Alternating Currents » Self and Mutual Inductance

MCQ▾

Question

The of mutual inductance of two coils when magnetic flux changes by 9 ×102Wb and current changes by 0.03 A is –

Choices

Choice (4) Response

a.

2 H

b.

3 H

c.

6 H

d.

9 H

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