Two long, straight wires carry equal currents in opposite directions as shown in figure. The separation between the wires is 5.0 cm . The magnitude of the magnetic field at a point P midway between the wires is $\mu \mathrm{T}$. (Given : $\mu_0=4 \pi \times 10^{-7} \mathrm{TmA}^{-1}$ )
