A domestic mains circuit includes a fuse to protect an appliance from excessive current. In which wire must the fuse be positioned, and what occurs when the fuse operates?
In the live wire, and it melts to disconnect the circuit.
In the live wire, and it reduces the current to a safe value (not zero).
In the neutral wire, and it melts to disconnect the circuit.
In the neutral wire, and it reduces the current to a safe value (not zero).
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.