A battery is attached to a circuit. It is turned on for $1.0$ minute. In that interval, the current in the circuit is $0.40\,\text{A}$ and the battery delivers a total of $48\,\text{J}$ of energy. Which row shows the charge that flows and the electromotive force (e.m.f.) of the battery?
Physics 0625 · IGCSE · Electrical quantities