An electric current can produce a heating effect and a magnetic effect.
Which row in the table shows the primary effect that a fuse uses, together with its correct function?
| Effect used by a fuse | Function of a fuse | |
|---|---|---|
| A | heating effect | protecting a circuit by melting when the current is too high |
| B | heating effect | allowing a small current to switch on a large current |
| C | magnetic effect | protecting a circuit by melting when the current is too high |
| D | magnetic effect | allowing a small current to switch on a large current |
Row A
Row B
Row C
Row D
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.