Question

how does a fuse wire protect an electric current

Answer 1

The fuse breaks the circuit if a fault in an appliance causes too much current flow. This protects the wiring and the appliance if something goes wrong. The fusecontains a piece of wire that melts easily. If the current going through the fuse is too great, the wire heats up until it melts and breaks the circuit.

Answer 2

fuse wire protect an electric current because if high voltage reach then the fuse wire will broke and safe the electric current