# Electromagnetic Induction & Alternating Currents-Self and Mutual Inductance (NEET Physics): Questions 1 - 5 of 7

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## Question number: 1

» Electromagnetic Induction & Alternating Currents » Self and Mutual Inductance

MCQ▾

### Question

Three inductances are connected as shown below. Assuming no coupling, the resultant inductance will be- (L 1 = 0.75 H, L 2 = L 3 = 0.5 H)

### Choices

Choice (4) Response

a.

0.75 H

b.

0.01 H

c.

0.25 H

d.

1 H

## Question number: 2

» Electromagnetic Induction & Alternating Currents » Self and Mutual Inductance

MCQ▾

### Question

If the current in the primary coil is reduced from 3.0 ampere to zero in 0.001 second, the induced e. m. f in the secondary coil is 1500 volt. The mutual inductance of the two coils will be

### Choices

Choice (4) Response

a.

0.005 H

b.

0.0005 H

c.

0.05 H

d.

0.5 H

## Question number: 3

» Electromagnetic Induction & Alternating Currents » Self and Mutual Inductance

MCQ▾

### Question

A current of 10 A in the primary coil of a circuit is reduced to zero at a uniform rate in 10 -3 second. If the coefficient of mutual inductance is 3H, the induced e. m. f. in the secondary coil will be,

### Choices

Choice (4) Response

a.

3 kV

b.

2 kV

c.

30 kV

d.

20kV

## Question number: 4

» Electromagnetic Induction & Alternating Currents » Self and Mutual Inductance

MCQ▾

### Question

Two circular coils can be arranged in any of the three situations shown in the figure. Their mutual inductance will be

### Choices

Choice (4) Response

a.

Maximum in situation A

b.

Maximum in situation C

c.

Maximum in situation B

d.

The same in all situations

## Passage

In Figure given, there is a conducting loop ABCDEFA, of resistance per unit length placed near a long straight current-carrying wire. The dimensions are shown in the figure. The long wire lies in the plane of the loop. The current in the long wire varies as I = I 0 t.

## Question number: 5 (1 of 1 Based on Passage) Show Passage

» Electromagnetic Induction & Alternating Currents » Self and Mutual Inductance

MCQ▾

### Question

The mutual inductance of the pair is

### Choices

Choice (4) Response

a.

b.

c.

d.

f Page