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A magnet of magnetic moment 20 C.G.S. un...

A magnet of magnetic moment `20` C.G.S. units is freely suspended in a uniform magnetic field of intensity 0.3 C.G.S. units. The amount of work done in deflecting it by an angle of `30^(@)` in C.G.S. unit is

A

6

B

`3sqrt(3)`

C

`3(2-sqrt(3))`

D

3

Text Solution

Verified by Experts

The correct Answer is:
C
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