Physics (AS & A Level) · Oct / Nov 2022 · Paper 12 · Question 35

The diagram shows a cell of electromotive force (e.m.f.) 3.0 V and internal resistance 4.7 Ω connected across a lamp. The lamp has a resistance of 9.3 Ω. What is the power dissipated by the internal resistance of the cell?

1. A0.22 W
2. B0.43 W
3. C0.64 W
4. D1.0 W

As printed in the paper