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

A semicircular arc of radius 10 cm carrying current of 20 A. Calculate the magnitude of magnetic field at the centre of arc. What will be the direction of magnetic field of current flows in anticlockwise direction?

Explain how a current loop acts as a magnetic dipole.

A semicircular arc of radius 20 cm carries a current of 10 A calculates the magnitude of magnetic field at the centre of the arc.

A rectangular loop of sides 10cm and 5cm carrying a current I of 12A is placed in different orienctations as shown in the figure If there is a uniform magnetic field of 0.3 T in the positive z-direction, in which orientations the loop would be in (i) stable equilibrium and (ii) unstable equilibrium .

A circular loop of radius 9.7 cm carries a current 2.3A. Obtain the magnitude of the magnetic field:- centre of the loop .

A circular loop of radius 9.7 cm carries a current 2.4A. Obtain the magnitude of the magnetic field:- at a distance of 9.7cm from the centre of the loop but on the axis. .

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 flat circular coil of 70 turns and radius 10 cm carriers a current I. If the magnetic field at the centre of the coil is 0.003 wb//m^2 , find the value of current.