A short bar magnet placed with its axis at `30^@` with a uniform external magnetic field of 0.25T experiences a torque of magnitude equal to `4.5xx10^(-2)Nm`. What is the magnitude of magnetic moment?

A short bar magnet , placed with its axis at an angle theta With a uniform external magnet field B, experiences a torque tau .what is the moment of the magnet?

An electric dipole placed at an angle of 30^(@) with a uniform electric field of intensity 10^(4)N.C^(-1) experiences a torque of 9xx10^(-26)N.m . What is the moment of the electric dipole?

A bar magnet of magnetic moment 6J.T^(-1) is aligned at 60^(@) with a uniform external magnetic field of 0.44T . Calculate the work done in turning the magnet to align ist magnetic moment (i) normal to the magnetic field , (ii) opposite to the magnetic field

A bar magnet of magnetic moment 6J.T^(-1) is aligned at 60^(@) with a uniform external magnetic field of 0.44T . Calculate the torque on the magnet in the final orientation in case (ii).

The torque acting on a bar magnet of magnetic moment M in a uniform magnetic field B will be

A square coils of side 10 cm consists of 20 turns and carries a current of 12A. The coil is suspended vertically and the normal to the plane of the coil makes an angle of 30^(@) with the direction of a uniform horizontal magnetic field of magnitude 0.80T . What is the magnitude to torque experienced by the coil ?