CAIE IGCSE Physics 4.4.2 A mains circuit consists of a live
Practise identifying live, neutral and earth wires in mains circuits and deciding why switches must isolate the live wire.
- Syllabus
- 2026–2028
- Course
- Physics 0625
Exam points
- identify the live wire as the correct place for a switch or fuse in a mains circuit
- explain that switching the live wire prevents an appliance remaining connected to live p.d
