Question

How does use of a fuse wire protect electrical appliance?​

Answer 1

An electrical fuse works by breaking the circuit when there is a fault in an appliance that causes too much current to flow. ... As the current in a wire increases so does the heat generated. A fuse is simply a thinner piece of wire in the circuit. If the current gets too high the thin wire will melt and stop the current.

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Answer 2

$\large\bf\red{Solution☞}$

Fuse wire has great resistance than the main wiring. When there is significant increase in the electric current. Fuse wire melts to break the circuit. This prevents damage of electrical appliance.