Question
Explain why a copper wire cannot be used as a fuse wire?

Answer

A copper wire cannot be used as a fuse wire because:
Copper has very low resistance and a high melting point.
It will not melt easily when excess current flows, so it cannot protect the circuit from overcurrent.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free