Physics (AS & A Level) · May / June 2026 · Paper 12 · Question 34

A battery with internal resistance is connected by wires to an external resistor. Which statement describes the electromotive force (e.m.f.) of the battery?

1. AIt is the energy transferred per unit charge in driving charge through a connecting wire.
2. BIt is the energy transferred per unit charge in driving charge through the complete circuit.
3. CIt is the energy transferred per unit charge in driving charge through the external resistor.
4. DIt is the energy transferred per unit charge in driving charge through the internal resistance.

As printed in the paper