Question

A long wire AB is placed on a table. Another wire PQ of mass 1.0 g and length 50 cm is set to slide on two rails PS and QR. A current of 50 A is passed through the wires. At what distance above AB, will the wire PQ be in equilibrium :-



(1)25 mm(2)50 mm(3)75 mm(4)100 mm

Answer 1

ans is 25 mm..............