A current of 3 amp flowsw through the $2 - \Omega$ resistor shown in the circuit. The power dissipated in the $5 - \Omega$ resistor is :

Question

$\begin {array} {1 1} (1)\;5\: watt & \quad (2)\;4\: watt \\ (3)\;2\: watt & \quad (4)\;1\: watt \end {array}$