Question

Two long straight wires are set parallel to each other. Each carries a current in the same direction and the separation between them is $2r$. The intensity of the magnetic field mid-way between them is

• A. $\frac{\mu_{0} i}{r}$
• B. $\frac{4\mu_{0} i}{r}$
• C. zero
• D. $\frac{\mu_{0} i}{4r}$

Answer 1

Answer: (C)

zero

Answer 2