The fuse has a special wire, the melting point of which is __________ than the metals which are used to make conducting wires.

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Solution

Explanation:
Electric fuse is a safety device that prevents electric hazards.
Fuse is a piece of a wire of material with a very low melting point.
When a high current flows through the circuit due to an overloading or short circuit, the wire gets heated up and melts.
Hence, the fuse has a special wire, the melting point of which is less than the metals which are used to make conducting wires.

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