A current of 30 A each flows in opposite directions in two conducting wires, placed parallel to each other at a distance of 8 cm. The magnetic field at the mid point between the two wires is __________ $$\mu$$T. ($$\dfrac{\mu_0}{4\pi} = 10^{-7}$$ N/A$$^2$$)

A

30

B

300

C

150

D

0.0