Figure shows a larger horizontal coil of radius R carrying a current I. Another small coil of radius `r(r lt lt R)` carrying a current i & N turns is placed at the centre with its plane at an angle `theta` from the axis. Find the torque experienced by the smaller coil in this situation.

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

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

A circular coil of radius 2R is carrying current 'i' . The ratio of magnetic fields at the centre of the coil and at a point at a distance 6R from the centre of the coil on the axis of the coil is

A circular coil of radius 2 R is carrying current 'i'. The ratio of magnetic fields at the centre of the coil and at a point at a distance 6 R from the the centre of the coil on the axis of the coil is,

A circular loop of radius R carries a current I. Another circular loop of radius r(ltltR) carries a current I. The plane of the smaller loop makes an angle of 30^@ with that of the larger loop. The planes of the two circles are at right angle to each other. Find the torque acting on the smaller loop.

A circular loop of radius R carries a current I. Another circular loop of radius r(ltltR) carries a current I. The plane of the smaller loop makes an angle of 90^@ with that of the larger loop. The planes of the two circles are at right angle to each other. Find the torque acting on the smaller loop.

A circular loop of radius R carries a current I. Another circular loop of radius r(ltltR) carries a current I. The plane of the smaller loop makes an angle of 90^@ with that of the larger loop. The planes of the two circles are at right angle to each other. Find the torque acting on the smaller loop.