A fuse melts if the current in a circuit becomes too high, breaking the circuit. However, what I do not understand is the actual purpose of the fuse. What would happen if there was no fuse and the current got too high, what risk is there that the fuse decreases? Also, when the fuse melts, does that mean the wire melts also, and if it does, do you simply replace it with another wire? Please explain well
2006-11-01 04:50:39 · 4 answers · asked by mbchelsea 1 in Science & Mathematics ➔ Physics
The fuse keeps the wires from getting hot and starting a fire. In normal operation, the fuse blows before the wires get hot.
2006-11-01 04:56:18 · answer #1 · answered by Gene 7 · 1⤊ 0⤋
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2006-11-01 12:58:35 · answer #2 · answered by veerabhadrasarma m 7 · 0⤊ 0⤋
Simple.
A fuse is there to protect the wire from getting too hot.
The fuse or circut breaker will shut off current, either by melting (the fuse) or by auto shut off (the circut breaker) when the current gets too high but before it is high enough to hurt the wire.
2006-11-01 12:59:43 · answer #3 · answered by John 6 · 0⤊ 0⤋
without a fuse your wires could melt you need a fuse, on simple wiring you could just replace it but if its a wiring harness its not as easy or cheap it could cause you many problems
2006-11-01 12:56:31 · answer #4 · answered by Anonymous · 0⤊ 0⤋