A technician tests the output of a generator intended to provide the same type of supply as the UK domestic electricity supply.
| Test | Result |
|---|---|
| Potential difference | 228 V |
| Direction of current | reverses repeatedly |
| Number of complete cycles in 0.40 s | 20 |
Explain whether the generator output has the characteristics of the UK domestic electricity supply. Use all the test results.
81 exam-style questions on Edexcel GCSE Physics 10.4 Mains electricity, covering 10.4.1 Direct and alternating current, 10.4.2 Live, neutral and earth wires; safety, 10.4.3 Mains wire potential differences and dangers, and 10.4.4 Power ratings and energy use. Each one has a worked solution and a mark scheme showing where the marks go.