A battery is supplying power to a tape-recorder by cable of resistance $0.02\Omega$. If the battery is generating $50W $ at $5V$, the power received by the tape-recorder is:

Question

$\begin {array} {1 1} (A)\;50W & \quad (B)\;45W \\ (C)\;48W & \quad (D)\;30W \end {array}$