A circular coil of radius `25cm`, carries a current of 50 ampere. If it has 35 turns, the flux density at the centre of the coil is `( i n Wb//m^(2))`

A circular coil of radius 1*5cm carries a current of 1*5A . If the coil has 25 turns , find the magnetic field at the centre.

A circular coil of 0.2 m diameter has 100 turns and carries a current of 0.1 ampere. The intensity of magnetic field at 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 closely wound flat circuar coil of 25 turns of wire has diameter of 10 cm which carries current of 4 A , the flux density at the centre of a coil will be

A closely wouhnd flat circular coil of 25 turns of wire has diameter of 10 cm which carries current fo 4 A , the flux density at the centre of a coil will be

A circular coil of n turns and radius r carries a current I. The magnetic field at the center is

A circular coil of 100 turns has a radius of 10 cm and carries a current of 5A. Calculate the magnetic field (a) at the centre of the coil (b) at a point on the axis of the coil at a distanceof 5cm from the centre of the coil.

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