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A long thin magnet of moment M is bent i...

A long thin magnet of moment `M` is bent into a semi circle. The decrease in the magnetic moment is

A

`(2 M)/(pi)`

B

`(piM)/(2)`

C

`(M(pi - 2))/(pi)`

D

`(M(2 - pi))/(2)`

Text Solution

Verified by Experts

The correct Answer is:
C
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