An electrical appliance has a 13 A fuse in its plug circuit.
What is the purpose of this fuse and in which wire is it connected?
It breaks the circuit if the current is greater than 13 A13\text{ A}13 A, and is connected to the neutral wire.
It breaks the circuit if the current is less than 13 A13\text{ A}13 A, and is connected to the live wire.
It breaks the circuit if the current is greater than 13 A13\text{ A}13 A, and is connected to the live wire.
It breaks the circuit if the current is less than 13 A13\text{ A}13 A, and is connected to the earth wire.
135 exam-style questions on CIE IGCSE Physics Electrical safety, covering Electrical safety. Each one has a worked solution and a mark scheme showing where the marks go.