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Two batteries of emf 4 V and 8 V with in...

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

A

`(1)/(3)` A and 3 V

B

`(1)/(6)` A and 4 V

C

`(1)/(9)` A and 9 V

D

`(1)/(2)` A and 12 V

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The correct Answer is:
A
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