A 5V battery with internal resistance $2\Omega$ and a 2V battery with internal resistance $1\Omega$ are connected to a $10 \Omega$ resistor as shown in the figure. The current in the $10\Omega$ resistor is

Question

 

$\begin {array} {1 1} (A)\;0.27\: A\: P_2 \: to \: P_1 & \quad (B)\;0.03\: A\: P_1 \: to \: P_2 \\ (C)\;0.03\: A\: P_2 \: to \: P_1 & \quad (D)\;0.27\: A\: P_1 \: to \: P_2 \end {array}$