The normal operating current of a microwave oven is 8 A, and it is designed to be protected by a 10 A fuse. The owner of the microwave replaces the 10 A fuse with a 5 A fuse.
What happens when the microwave is switched on?
The fuse blows and the microwave is damaged.
The fuse blows and the microwave is undamaged.
The fuse does not blow and the microwave works correctly.
The fuse does not blow but the microwave fails to work.
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.