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Electromagnetic Induction & Alternating Currents-Self and Mutual Inductance [AIIMS (All India Institute of Medical Sciences) Physics]: Questions 1 - 6 of 9

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Question 1

Question MCQ▾

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

Choices

Choice (4)Response

a.

4 H

b.

3 H

c.

8 H

d.

2 H

Edit

Question 2

Appeared in Year: 1982

Question MCQ▾

The current passing through a choke coil of 5 H is decreasing at the rate of . 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

Edit

Question 3

Appeared in Year: 1998

Question MCQ▾

Transformer works on the basis of the following phenomenon –

[AIIMS, RPMT-89]

Choices

Choice (4)Response

a.

Electrical discharge

b.

Generation of electro-magnetic waves.

c.

Mutual induction

d.

Self-induction

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Question 4

Question MCQ▾

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

Choices

Choice (4)Response

a.

12 V

b.

– 12 V

c.

6 V

d.

– 6 V

Edit

Question 5

Question MCQ▾

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

Choices

Choice (4)Response

a.

-27 V

b.

– 3.0 V

c.

27 V

d.

3 V

Edit

Question 6

Question MCQ▾

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

Choices

Choice (4)Response

a.

3 H

b.

9 H

c.

2 H

d.

6 H

Edit