Physics, asked by ipsitapattnayak2112, 9 months ago

8.
Magnetic field at the centre of current carrying loop
of area A carrying current i is B. Then magnetic
moment of this loop is

Answers

Answered by urja79
1

Explanation:

ANSWER

Let r be the radius of the circular loop.

∴ A = πr

2

or r =

π

A

Magnetic field at the centre of the loop is

B =

2r

μ

0

I

=

2

π

A

μ

0

I

or I=

μ

0

2B

π

A

The magnetic moment of the loop is

M= IA =

μ

0

2B

π

A

A =

μ

0

π

2BA

A

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