A magnet of moment M is lying in a magnetic field of induction B. W1 is the work done in turning it from `0^(@)` to `60^(@)` and `W_(2)` is the work done in turning it from `30^(@)` to `90^(@)`. Then

A magnet of magnetic moment M is rotated through 360^(@) in a magnetic field H, the work done will be

A magnet of magnetic moment M is rotated through 360^(@) in a magnetic field H, the work done will be

A magnet of m magnetic moment is rotate up to 360^@ in magnetic field H then the work done is……………

A bar magnet of magnetic moment M is suspended freely in a magnetic field of strength B. Work done to rotate it from 0^(@) to 60^(@) and from 60^(@) to 90^(@) are W_(1) and W_(2) , respectively W_(1) and W_(2) are related as

A magnet of magnetic moment M is freely suspended in a uniform magnetic field of strength B. The work done in rotating the magnet through an angle theta is given by ________