Question

Explain the meaning of the statement 'current rating of a fuse is $5A$'.

Answer 1

1. Current rating is the maximum current that a fuse will carry.
2. Carrying current is for an indefinite period without too much deterioration of the fuse element.
3. Current rating of fuse as $5A$ means that a maximum current of $5A$ can be passed through it without damaging it.
4. If a current greater than $5A$is passed through the fuse, it will melt.