Question

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

(A) μ₀/π

(B) √(3μ₀) /2π

(C) μ₀/2π

(D) 3μ₀/2π

Answer 1

Correct Answer is: (C) μ₀/2π