A washing machine has a metal outer casing. If a fault occurs and the live wire makes contact with this metal casing, which wire is designed to safely conduct the current to the ground to prevent a person from getting an electric shock?
earth wire
live wire
neutral wire
fuse wire
10 exam-style questions on Edexcel GCSE Physics 10.4 Mains electricity. Each one has a worked solution and a mark scheme showing where the marks go.