Electromagnetic Induction & Alternating Currents-Electromagnetic Induction (AIIMS (All India Institute of Medical Sciences) Physics): Questions 1 - 3 of 3

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Question number: 1

» Electromagnetic Induction & Alternating Currents » Electromagnetic Induction

Appeared in Year: 2000

MCQ▾

Question

If the rotational velocity of a dynamo armature is doubled, then induced emf will become – [AIIMS]

Choices

Choice (4) Response

a.

Half

b.

Four times

c.

Unchanged

d.

Two times

Question number: 2

» Electromagnetic Induction & Alternating Currents » Electromagnetic Induction

Appeared in Year: 1996

MCQ▾

Question

To induce an emf in a coil, the magnetic flux linking [AIIMS]

Choices

Choice (4) Response

a.

Must remain constant

b.

Must increase

c.

Must decrease

d.

Can either increase or decrease

Question number: 3

» Electromagnetic Induction & Alternating Currents » Electromagnetic Induction

MCQ▾

Question

A rod of magnetic material having dimension Equation is subjected in magnetizing field ofEquation then a magnetic moment of Equation is induced in it. Therefore magnetic induction in rod is –

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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