Write the formula of magnetic moment of a current loop.

What is magnetic moment of a current loop?

The magnetic moment of a current loop is equal to :

Write the formula of magnetic field due to current carrying loop as magnetic dipole on its axial point and compare it electric field formula for electric dipole.

A rectangular current carrying loop PQRS is kept in a uniform magnetic field as shown in the figure. (a) What is the direction of magnetic moment of the current loop? (b) When is the torque acting on the loop (i) maximum, (ii) zero?

The magnitude off magnetic moment of the current loop in the figure is

The magnitude of magnetic moment of the current loop in the figure is

A current loop behaves as a mgnetic dipole. Obtain expression for magnetic dipole moment of a current loop.