A circular coil of 200 turns and radius 10 cm is placed in a uniform magnetic field of 0.5 T, normal to the plane of the coil. If current in the coil is 3.0 A

 Question : A circular coil of 200 turns and radius 10 cm is placed in a uniform magnetic field of 0.5 T, normal to the plane of the coil. If current in the coil is 3.0 A, calculate the
a) total torque on the coil.
b) total force on the coil.
c) average force on each electron in the coil, due to the magnetic field.
Assume the area of cross-section of the wire to be 10^-5 m² and the free electron density is 10²⁹ / m³.

Ans : a) zero, b) zero c) 1.5 × 10^-24 N

Doubt by Rimjhim

Solution : Coming Soon