Question

- When does a
circuit?
fuse wire melt in an electric​

Answer 1

When too much current is passed through the wire, and when the current is above the safe level of the equipment, then the fuse wire melts due to the heat produced by the current.

Fuse is a safety device to protect electrical equipment from extra passage of current and electrical fires

Hope the answer helps

Answer 2

Electric fuse works on the heating effect of electric current. when electricity passes through the wires it creates heat. fuse is made up of a low melting point.