Physics (AS & A Level) · May / June 2019 · Paper 12 · Question 37

A circuit contains two batteries, each of negligible internal resistance, and two resistors as shown. The galvanometer has a current reading of zero. What is the electromotive force (e.m.f.) of battery X?

1. A6.0 V
2. B8.0 V
3. C16.0 V
4. D18.0 V

As printed in the paper