EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 25 - Magnetic Effect of Current>KEAM 2020>Q 7

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The magnetic field at the centre of a circular coil of $50$ turns and radius $10 cm$ carrying a current of $1 A,$ in tesla is

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Important Questions on Magnetic Effect of Current

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 25 - Magnetic Effect of Current>KEAM 2019>Q 8

Consider a circular loop of radius

R

on the

x y

- plane carrying a steady current anticlockwise. The magnetic field at the center of the loop is given by

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 25 - Magnetic Effect of Current>KEAM 2018>Q 9

The magnitude of a magnetic field at the centre of a circular coil of radius

R

, having

N

turns and carrying a current

I

can be doubled by changing

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 25 - Magnetic Effect of Current>KEAM 2020>Q 10

A long solenoid with

500

turns per unit length carries a current of

1.5 A

. The magnetic induction at one of the ends of the solenoid on its axis is nearly

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 25 - Magnetic Effect of Current>KEAM 2020>Q 11

A coil of $50$ turns carrying a current of $2 A$ in a magnetic field of $0.5 T$ . The torque acting on the coil is

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