Question

what do you mean by fuse .how does it act as a safety device??​

Answer 1

A fuse is an electrical safety device that has the capability to protect an electric circuit from excessive electric current. It is designed to allow current through the circuit, but in the event that the current exceeds some maximum value it will open, severing the circuit.

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Answer 2

Answer:

when more power is supplied then to break the circuit the fuse break it self and our device would safe