A circular coil of 300 turns and diameter 14 cm carries a current of 15 A. what is the magnitude of magnetic moment associated with the coil?

A circular coil of 200 turns and radius 0.2 m carries a current of 14 A. What is the magntitude of magnetic moment associated with the coil?

A circular coil of 50 turns and radius 0.2 cm carries a current of 12 A. Find magnetic moment associated with it.

A circular coil of 50 turns and radius 0.2 cm carries a current of 12 A. Find magnetic field at the centre of the coil.

A circular coil of wire consisting of 100 turns, each of radius 8.0 cm carries a current of 0.40 A. What is the magnitude of the magnetic field B at the centre of the coil?

Calculate the magnetic field due to a circular coil of 250 turns and of diameter 0.1m, carrying a current of 7A at a point on the axis of the coil at a distance 0.12m from the center of the coil.

A circular coil of wire consisting of 80 turns, each of radius 8 cm, carries a acurrent of 0.5 A. Calculate the magnitude of magnetic field B at the centre of the coil.

A circular coil of 100 turns radius 10cm, carries a current of 5A. It is suspended vertically in a uniform horizontal magnetic field of 0.5T and the field lines make an angle of 60^(@) with the plane of the coil. The magnitude of the torque that must be applied on it to prevent it from turning.

A circular coil of 16 turns and radius 10 cm carrying a current of 0.75 A rests with its plane normal to an external field of magnitude 5.0 xx 10^-2 T. The coil is free to turn about an axis in its plane perpendicular to the field direction. When the coil is turned slightly and released, it oscillates about its stable equilibrium with a frequency of 2.0 s^-1 . What is the moment of inertia of the coil about its axis of rotation?