Question

what isthe meaning ofthe statement that rating of a fuse is 5 A

Answer 1

it means that the fuse will break down the electric circuit if a current of value higher than 5A passes through it by melting of wire.

Answer 2

It means that the fuse will allow current upto 5A to flow through it and will break the circuit if current more than 5A flows through the circuit.

Hope this helps.