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A bar magnet is hung by a thin cotton th...

A bar magnet is hung by a thin cotton thread in a uniform horizontal magnetic field and is in equilibrium state. The energy required to rotate it by 60^(@) is W. Now the torque required to keep the magnet in this new position is

A

`(2W)/(sqrt3)`

B

`(W)/(sqrt3)`

C

`sqrt3W`

D

`(sqrt3W)/(2)`

Text Solution

Verified by Experts

The correct Answer is:
C
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