A battery is connected to a circuit. It is switched on for 2.0 minutes2.0\text{ minutes}2.0 minutes. During that time, there is a constant current of 0.50 A in the circuit and the battery supplies a total of 180 J of electrical energy.
Which row in the table gives the charge that passes and the electromotive force (e.m.f.) of the battery?
| Charge that passes in 2.0 minutes2.0\text{ minutes}2.0 minutes (C\text{C}C) | e.m.f. of the battery (V\text{V}V) | |
|---|---|---|
| A | 1.0 | 3.0 |
| B | 1.0 | 180 |
| C | 60 | 3.0 |
| D | 60 | 180 |
Row A
Row B
Row C
Row D
55 exam-style questions on CIE IGCSE Physics 4.2.3a Electromotive force. Each one has a worked solution and a mark scheme showing where the marks go.