Two infinitely long wires carry currents in the same direction. Then the field at a point P which is

Question

Two infinitely long wires carry currents in the same direction. Then the field at a point P which is lying midway between them is\

Professor PC Thomas Classes · Answer

Field due to AB is into the plane of the paper. Field due to CD is away from the plane of the paper. So the net field along EF is zero.\ \