What is the direction of magnetic dipole moment?

Deduce the expression for the magnetic dipole moment of a revolving electron.

A rectangular coil carrying current is placed in a uniform magnetic field in such a way that normal to the coil makes an angle theta with the direction of magnetic flux density. Find the magnitude of torque acting on the coil Define magnetic moment of a current loop.

S.I. unit of magnetic dipole is

What is sure test of magnetism?

What is electro magnetic spectrum?

What is the potential energy of a dipole when it is perpendicular to a magnetic field?