Electromagnetic Induction & Alternating Currents (AIIMS Physics): Questions 36 - 41 of 51

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Question number: 36

» Electromagnetic Induction & Alternating Currents » Reactance and Impedance

MCQ▾

Question

The reactance of an inductance of 0.04H for 100 Hz A. C. is –

Choices

Choice (4) Response

a.

10.55 Ω

b.

25.12 Ω

c.

8.20 Ω

d.

9.14 Ω

Question number: 37

» Electromagnetic Induction & Alternating Currents » Self and Mutual Inductance

MCQ▾

Question

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

Choices

Choice (4) Response

a.

2 H

b.

3 H

c.

6 H

d.

9 H

Question number: 38

» Electromagnetic Induction & Alternating Currents » Induced EMF and Current

MCQ▾

Question

A conducting ring of radius 1 meter is placed in a uniform magnetic field B of 0.02 T, oscillating with frequency 150 Hz with its plane at right angles to magnetic field. What will be the induced electric field?

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 39

» Electromagnetic Induction & Alternating Currents » Self and Mutual Inductance

MCQ▾

Question

The of mutual inductance of two coils when magnetic flux changes by Equation 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: 40

» Electromagnetic Induction & Alternating Currents » Self and Mutual Inductance

MCQ▾

Question

The of mutual inductance of two coils when magnetic flux changes by Equation 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: 41

» Electromagnetic Induction & Alternating Currents » Reactance and Impedance

MCQ▾

Question

The reactance of an inductance of 0.07 H is Equation . Than the frequency of a. c is –

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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