A small coil of `N` turns has an effective area `A` and carries a current `I`. It is suspended in a horizontal magnetic field `vecB` such that its plane is perpendicular to `vecB`. The work done in rotating it by `180^(@)` about the vertical axis is

An elastic circular wire of length l carries a current I . It is placed in a uniform magnetic field vecB (Out of paper) such that its plane is perpendicular to the direction of vecB . The wire will experience

A current carrying coil is freely suspended in a uniform magnetic field. The coil tends to set its plane ______ .

A small coil of N turns has area A and a current I flows through it. The magnetic dipole moment of this coil will be

A small coil of N turns has area A and a current I flows through it. The magnetic dipole moment of this coil will be

A rectangular coil of sides 'l' and 'b' carrying a current I is subjected to a uniform magnetic field vecB , acting perpendicular to its plane. Obtain the expression for the torque acting on it.

A circular coil of 100 turns has an effective radius of 0.05 m and carries a current of 0.1 A. How much work is required to turn it in an external magnetic field of 1.5 Wb m^-2 through 180^@ about an axis perpendicular to the magnetic field. The plane of the coil is initially perpendicular to the magnetic field.

A circular coil of 100 turns has an effective radius of 0.05 m and carries a current of 0.1 A. How much work is required to turn it in an external magnetic field of 1.5 Wb m^-2 through 180^@ about an axis perpendicular to the magnetic field. The plane of the coil is initially perpendicular to the magnetic field.

A circular coil of 100 turns has an effective radius of 0.05 m and carries a current of 0.1 A. How much work is required to turn it in an external magnetic field of 1.5 Wb m^-2 through 180^@ about an axis perpendicular to the magnetic field. The plane of the coil is initially perpendicular to the magnetic field.