Three long straight wires carrying current are arranged mutually parallel as shown in the figure. The force experienced by 15 cm length of wire Q is_______.

$$(\mu_{\circ} =4\pi \times 10^{-7} T.m/A)$$

A

$$6\times 10^{-6} N$$ towards P

B

$$6\times 10^{-7} N$$ towards R

C

$$6\times 10^{-6} N$$ towards R

D

$$6\times 10^{-7} N$$ towards P