A circular coil of radius `5 cm ` has 169 turns carries a current of `2.6 A`. The magnetic induction at a point on the axis at a distance of `12 cm` from the centre of the coil is

A circular coil of radius 10 cm having 100 turns carries a current of 3.2 A. The magnetic field at the center of the coil is

A coil of radius pi meters, 100 turns carries a current of 3A . The magnetic induction at a point on its axis at a distance equal to sqrt(3) times its radius from its centre is

A circular coil of radius 10 cm "and" 100 turns carries a current 1A. What is the magnetic moment of the coil?

A circular coil of radius R carries an electric current. The magnetic field due to the coil at a point on the axis of the coil located at a distance r from the centre of the coil, such that r gtgt R , varies as

A circular coil of radius R carriers an electric current. The magnetic field due to the coil at a point on the axis of the coil located at a distance r from the centre of the coil, such that rgt gtR , varries as

The magnetic induction at the centre of a current carrying circular coil of radius 10cm is 5sqrt(5) times the magnetic induction at a point on its axis. The distance of the point from the centre of the coild in cm is

A circular coil of diameter 7cm has 24 turns of wire carrying current of 0.75A . The magnetic moment of the coil is

A 200 turn closely wound circular coil of radius 15 cm carries a current of 4 A. The magnetic moment of this coil is