The current in an electric kettle is 8.0 A. The cable connected to the kettle is able to carry currents up to 15 A. Fuses rated 2 A, 5 A, 10 A and 20 A are available. Which fuse should be used?
2 A2\text{ A}2 A
5 A5\text{ A}5 A
10 A10\text{ A}10 A
20 A20\text{ A}20 A
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.