Why the metals like copper or aluminium are used over tungsten, iron, nickel etc. to make fuses?

Al and Cu are cheaper.

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Al and Cu have low melting point.

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Al and Cu have high melting point.

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Al and Cu is a bad conductor of electricity.

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Solution

The correct option is B Al and Cu have low melting point.
Materials used for making a fuse have low melting points. As a large current pass through the circuit, it will generate enough heat to melt the fuse and break the circuit, keeping the appliances safe.

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