A magnetic needle is placed in a uniform magnetic field and is aligned with the field. The needle is now
rotated by an angle of 60° and the work done is W. The torque on the magnetic needle at this position is
A. 2 3W B. 3W C.
3
2
W D.
3
4
W

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A magnetic needle is placed in a uniform magnetic field and is aligned with the field. The needle is now rotated by an angle of 60° and the work done is W. The torque on the magnetic needle at this position is A. 2 3W B. 3W C. 3 2 W D. 3 4 W

A magnetic needle is placed in a uniform magnetic field and is aligned with the field. The needle is now
rotated by an angle of 60° and the work done is W. The torque on the magnetic needle at this position is
A. 2 3W B. 3W C.
3
2
W D.
3
4
W

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