A magnetic wire of dipole moment 4pi Am^...

A magnetic wire of dipole moment `4pi Am^(2)` is bent in the form of semicircle. The new magnetic moment is

A

`4piAm^(2)`

B

`8piAm^(2)`

C

`4Am^(2)`

D

none of thse

Verified by Experts

The correct Answer is:

D

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