Physics (AS & A Level) · Oct / Nov 2020 · Paper 12 · Question 36

A car battery has an electromotive force (e.m.f.) of 12 V and an internal resistance of 0.05 Ω. The battery is connected to the starter motor of a car. The current in the motor is 160 A. What is the terminal p.d. across the battery?

1. A0 V
2. B4 V
3. C8 V
4. D12 V

As printed in the paper