question_answer

Two long parallel wires P and Q are both perpendicular to the plane of the paper with distance of 5m between them. If P and Q carry currents of 2.5 amp and 5 amp respectively in the same direction, then the magnetic field at a point half-way between the wires is

A) \[\frac{3{{\mu }_{0}}}{2\pi }\]

B) \[\frac{{{\mu }_{0}}}{\pi }\]

C) \[\frac{\sqrt{3}{{\mu }_{0}}}{2\pi }\]

D) \[\frac{{{\mu }_{0}}}{2\pi }\]