question_answer

A current of 5 amp flows in a circular loop of radius 5 cm. The loop is placed in a uniform magnetic field of 5 tesia such that plane of loop is perpendicular to the direction of magnetic field. The net magnetic force acting on the loop if there are 5 turns, is

A)  zero             

B) \[\frac{{{\mu }_{0}}}{4\pi }\times 6.2\]newton

C)  12.5 newton      

D)  none of the above