A bar magnet of length L and magnetic di...

A bar magnet of length L and magnetic dipole moment m is bent in the form of an arc as shown in figure.
.
The new magnetic dipole moment will be

A

m

B

`(3)/(pi)M`

C

`(2)/(pi)M`

D

`(M)/(2)`

Verified by Experts

The correct Answer is:

B

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