Question

As shown in the figure a circular conducting wire carries current I. It lies in XY-plane with centre at O. The tendency of this circular loop is to
(A) contract
(B) expand
(C) move towards positive X-direction.
(D) move towards negative X-direction.

Answer 1

according to Fleming left hand rule , force acts radially outwards . hence, the loop have tendency to expand under the force acting along outward drawn normal.

hence, a circular conducting wire carries current I , it lies in XY plane with center at O.the tendency of this circular loop is to expand .

therefore, option (B) is correct.