Question

Two batteries of emf 4 V and 8 V with internal
resistance 1 Ω and 2 Ω are connected in a circuit
with a resistance of 9 Ω as shown in figure. The
current and potential difference between the
points P and ???? are
(a)1 A and 3 V (b) 1 A and 4 V
3 6
(c) 1 A and 9 V (d) 1 A and 12 V
9 12

Answer 1

1A and 3V by using the equation V=IR