A circular coil of wire 8 cm in diameter has 12 turns and carries a current of 5 A. The coil is in a field where the magnetic induction is 0.6 T.
a. What is the maximum torque on the coil?
b. In what position would the torque be half as great as in (i) ?

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

A coil of radius 2 cm and 500 turns, carries of a current of 2A. It is placed in a uniform magnetic field of induction 0.5T. What is the torque acting on the coil if theta=30◦ ?

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 50 turn circular coil of radius 2.0 cm carrying a current of 5.0 A is rotated in a magnetic field of strength 0.20 T. (a) What is the maximum torque that acts on the coil? (b) in a particular position of the coil, the torque acting on it is half of this maximum. What is the angle between the magnetic field and the plane 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?

A circular coil of 300 turns and diameter 14cm carries a current of 15A . What is the magnetic moment of the loop?