Which statement correctly explains where a fuse must be connected in a mains-operated household appliance?
The fuse is connected in the neutral wire, so that it cuts off the return path of the current and stops the appliance from operating.
The fuse is connected in the earth wire, to ensure that any fault current is immediately redirected to the ground.
The fuse is connected in the live wire, so that if the current exceeds the fuse's limit, the fuse melts and isolates the appliance from the high-voltage supply.
The fuse is connected in either the live or the neutral wire, as both wires carry the same current and breaking either wire stops the current.
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.