Question

A circular loop of area 1cm², carrying a current of 10A, is placed in a magnetic field of 0.1 T perpendicular to the plane of the loop. The torque on the loop due to the magnetic field is 

(a) zero 

(b) 10^-4N-m 

(c) 10^-2N-m 

(d) 1N-m.

Answer 1

The correct answer is (a) zero