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

They are cheap

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They have low melting point

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Fe, Ni are costly

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Cu is a bad conductor

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Solution

The correct option is B
They have low melting point

Low melting point materials are used in fuses because if a large current passes through the circuit it will generate heat that is enough to melt fuse and break the circuit, saving the appliances.

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

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