question_answer

Two batteries of emf 4 V and 8 V with internal resistance \[1\Omega \] and \[2\Omega \]are connected in a circuit with a resistance of \[9\Omega \] as shown in figure. The current and potential difference between the points P and Q are

A) \[\frac{1}{3}A\]and 3 V

B) \[\frac{1}{6}A\] and 4 V

C) \[\frac{1}{9}A\] and 9 V

D) \[\frac{1}{12}A\] and 12 V