The current in a microwave oven is 7.0 A.
The cable connected to the microwave oven is able to carry currents up to 12 A.
Fuses rated 3 A, 5 A, 10 A and 13 A are available.
Which fuse should be used?
3 A3\text{ A}3 A
5 A5\text{ A}5 A
10 A10\text{ A}10 A
13 A13\text{ A}13 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.