Question

If 'W' Joule is the work done in rotating the magnet from the field direction to a position that makes
an angle 60° with the direction of the field, the torque required to hold the magnet in that direction
is
(AIEEE-2003)
​

Answer 1

Answer:

It's False answer

Explanation:

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Answer 2

Answer:

Root 3W N-m

Explanation:

See work done formula is MB(1-costhetha) and torque is MBsinthetha. W=MB/2 and torque is MB(root3)/2 implies torque is Root 3W