EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 27 - Electromagnetic Induction>KEAM 2020>Q 1

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KEAM

IMPORTANT

Earn 100

The relation between the charge flow $ΔQ$ through the circuit of resistance $r$ and the change in the magnetic flux ${Δϕ}_{B}$ is

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Important Questions on Electromagnetic Induction

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KEAM

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 27 - Electromagnetic Induction>KEAM 2019>Q 2

A magnetic field of

1 T

applied at an angle

\frac{π}{3}

to the vertical direction is decreased to zero at a steady rate in one second. The magnitude of induced emf in a horizontally placed circular loop of radius

5 cm

is given by

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KEAM

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 27 - Electromagnetic Induction>KEAM 2020>Q 3

A train is running at a speed of

72 km {hr}^{- 1}

on the rails separated by a distance of

150 cm .

If the vertical component of earth's magnetic field at the place is

4.0 \times 10^{- 5} T

The induced emf on the rails is

EASY

KEAM

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 27 - Electromagnetic Induction>KEAM 2019>Q 4

The dimension of mutual inductance is (Denote dimension of current as

A)

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KEAM

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 27 - Electromagnetic Induction>KEAM 2018>Q 5

An oscillator circuit contains an inductor

0.05 H

and a capacitor of capacity

80 μF

. When the maximum voltage across the capacitor is

200 V

, the maximum current (in amperes) in the circuit is