Why Cu, Al are used over tungsten, Fe Ni to make fuses?

Fe, Ni are costly

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Cu is a bad conductor

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They are cheap

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They have low melting point

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Solution

The correct option is D
They have low melting point

Low melting point materials are used in fuses because as large currents pass through the circuit they will create heat that is enough to melt fuse and break circuit and save the appliances.

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Why copper and aluminum are used over tungsten, iron, nickel to make fuses?

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