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 in a uniform magnetic field (B). The work done to rotate 180^@ from its equlibrium position will be —

A bar magnet of magnetic moment M_(1) is suspended by a wire in a magnetic field. The upper end of the wire is rotated through 180^(@) , then the magnet rotated through 45^(@) . Under similar conditions another magnetic of magnetic moment M_(2) is rotated through 30^(0) . Then find the ratio of M_(1)&M_(2) .

A bar magnet of magnetic moment M is hung by a thin cotton thread in a uniform magnetic field B. Work done by the external agent to rotate the bar magnet from stable equilibrium position to 120° with the direction of magnetic field is (consider change in angular speed is zero)

A bar magnet of magnetic moment M is hung by a thin cotton thread in a uniform magnetic field B. Work done by the external agent to rotate the bar magnet from stable equilibrium position to 120° with the direction of magnetic field is (consider change in angular speed is zero)

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 ________

A magnet of magnetic moment M is situated with its axis along the direction of a magnetic field of strength B . The work done in rotating it by an angle of 180^(@) will be

A magnet of magnetic moment M is situated with its axis along the direction of a magnetic field of strength B . The work done in rotating it by an angle of 180^(@) will be