Electromagnetic Induction & Alternating Currents-Self and Mutual Inductance (NEET (National Eligibility cum Medical Entrance Test) 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)

Three inductances connected in circuit

Three Inductances Connected in Circuit

In figure three inductances are connected. L2 and L3 are in parallel and L1 connected in series with them.

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

Circular coils in different situation

Circular Coils in Different Situation

n figure two circular coils arranged in three different situation.

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

Read the passage given below and answer the questions that follow:

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.

Conducting loop ABCDEFA

Conducting Loop ABCDEFA

In figure a conducting loop ABCDEFA placed near a long straight current carrying wire.

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.

Equation

b.

Equation

c.

Equation

d.

Equation

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