Electromagnetic Induction & Alternating Currents-Self and Mutual Inductance (AIIMS Physics): Questions 7 - 9 of 9

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Question number: 7

» Electromagnetic Induction & Alternating Currents » Self and Mutual Inductance

MCQ▾

Question

The of mutual inductance of two coils when magnetic flux changes by 6×102Wb and current changes by 0.02 A is –

Choices

Choice (4) Response

a.

6 H

b.

12 H

c.

9 H

d.

3 H

Question number: 8

» Electromagnetic Induction & Alternating Currents » Self and Mutual Inductance

MCQ▾

Question

The of mutual inductance of two coils when magnetic flux changes by 4×102Wb and current changes by 0.08 A is –

Choices

Choice (4) Response

a.

2 H

b.

0.5 H

c.

0.4 H

d.

1 H

Question number: 9

» Electromagnetic Induction & Alternating Currents » Self and Mutual Inductance

MCQ▾

Question

A choke coil consists of 150 turns wound on a high permeability core. If the relative permeability is 3540, permeability of free space is 1.26×106Hm , coil length is 5 cm and cross section area is 5×104m2 then the value of the inductance of coil is –

Choices

Choice (4) Response

a.

3H

b.

1H

c.

20H

d.

8H

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