Gamma Question Bank for Medical Physics>Chapter 21 - Electromagnetic Induction>Assignment Set-2>Q 8

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Two closed conducting loops have a mutual inductance of $1 H .$ Average e.m.f induced in one loop if current in the other changes by $2 A$ in $1 s$ , is

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Important Questions on Electromagnetic Induction

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Gamma Question Bank for Medical Physics>Chapter 21 - Electromagnetic Induction>Assignment Set-2>Q 9

Dimensional formula of

[L i^{2}]

is (where

L

is inductance and

i

is current)

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Gamma Question Bank for Medical Physics>Chapter 21 - Electromagnetic Induction>Assignment Set-2>Q 10

A current

2 A

flows through a solenoid of self-inductance

3 mH .

The energy stored inside the solenoid is,

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Gamma Question Bank for Medical Physics>Chapter 21 - Electromagnetic Induction>Assignment Set-2>Q 11

On the basis Lenz's law, which of the following physical quantity is conserved?

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Gamma Question Bank for Medical Physics>Chapter 21 - Electromagnetic Induction>Assignment Set-2>Q 12

A conducting loop is kept vertically in the increasing magnetic field as shown in figure. The direction of induced current in the loop will be

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Gamma Question Bank for Medical Physics>Chapter 21 - Electromagnetic Induction>Assignment Set-2>Q 13

If given arrangement is moving towards right with speed $v$ in the uniform magnetic field, then induced current in the loop is (resistance of loop is $R$ )

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Gamma Question Bank for Medical Physics>Chapter 21 - Electromagnetic Induction>Assignment Set-2>Q 14

According to Faraday's laws of electromagnetic induction, magnitude of induced emf in a coil is proportional to,

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Gamma Question Bank for Medical Physics>Chapter 21 - Electromagnetic Induction>Assignment Set-2>Q 15

A straight wire of length

ℓ

is moving with speed

v

in a direction perpendicular to length. If a uniform magnetic field of strength

B

is existing in the region, which is perpendicular to both

ℓ

and

v

, then emf across ends of wire is proportional to

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Gamma Question Bank for Medical Physics>Chapter 21 - Electromagnetic Induction>Assignment>Q 1

What will be the direction of current in the coil $A$ as the switch $S$ is closed?

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