How does use of a fuse wire protect electrical appliance?
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It melts and break the circuit when excess of current flows through it,i.e; during overloading.
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Answer:
Fuse wire has high resistance than current rating of the main wiring. So, whenever there is a surge in electric current, the fuse wire melts and breaks the circuit. This prevents any damage to the electrical appliances. Thus, a fuse wire protect electrical appliances.
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