Question

state the principle oh working of fuse

Answer 1

Working Principle of Electrical Fuse. The primary use of an electric fuse is to protect electrical equipment from excessive current and to prevent short circuits or mismatched loads. ... However, when an excessive amount of current flows through the fusewire, the heating effect of current causes the fuse wire to melt.

Answer 2

fuse braks the circuit when the flow of current is overloaded and automatically joined the circuit when the flow of current is normal