A circular coil of 30 turns and radius 8.0 cm carrying a current of 6.0 A is suspended vertically in a uniform horizontal magnetic field of magnitude 1.0 T. The field lines make an angle of `60^@` with the normal of the coil. Calculate the magnitude of the counter torque that must be applied to prevent the coil from turning.

A rectangular coil of 100 turns of length 40 cm and breadth 20 cm carrying a current of 10 A is placed making a angle of 60^@ with a magnetic field of 5T:- Calculate the magnitude of the counter torque, that must be applied to prevent the coil from turning.

A circular coil of 500 turns and area of 0.5 cm^2 carries a current of 10 A. The magnetic moment associated with it_______.

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

A circular loop has radius 10 cm and it is carrying a current of 0.1A. Calculate magnetic dipole moment.

A square coil of side 10 cm consists of 20 turns and carries a current of 12A. The coil is suspended vertically and the normal to the plane of the coil makes an angle of 30^@ with the direction of a uniform horizontal magnetic field 0.8 T. What is the magnitude of torque experienced by the coil?

A square coil of side 10 cm consists of 20 turns and carries a current of 12A. The coil is suspended vertically and the normal to the plane makes an angle of 30^(@) with the direction of uniform magnetic field of 0.8 T. The torque acting on the coil is

A circular coil of wire is made phi of 100 turns, each of radius 8 cm if a current of 0.4A passes through of, what will be the magnetic field at the centre of the coil

A recantagular coil of length 0.12 m and width 0.1 m having 50 turns of wire is suspended vertically in unifrom magnetic field of srenght 0.2 Weber//m^(2) . The coil carres a current of 2 A. If the plane of the coil is inclined at an angl,e of 30^(@) with the direction of the feld the torque required to keep the coil in stable equilibrium will be

A current of 10A passes through a coil having 5 turns and produces a magnetic field of magnitude. 5 xx 10^-4T at th e centre of the coil. Calculate the diameter of the coil.