The magnetic moment of a current I carrying circular coil of radius r and number of turns N varies as

The magnetic moment of a current carrying circular coil of radius r varies as

The direction of magnetic moment of a current carrying circular coil is

The direction of magnetic moment of a current carrying circular coil is

The magnetic moment of a circular coil carrying current is

Magnetic dipole moment of current carrying circular coil is ...... length of wire of coil.

The magnetic field due to a current carrying circular coil on the axis, at a large distance r from the centre of the coil, varies approximately as ..........