The current in a heating element connected on its own to the mains supply is 1.2 A.
A heating panel has three of these elements connected in parallel.
Which rating of fuse is suitable to protect this circuit?
1.0 A1.0\text{ A}1.0 A
3.0 A3.0\text{ A}3.0 A
5.0 A5.0\text{ A}5.0 A
13.0 A13.0\text{ A}13.0 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.