An electrician is carrying out some repairs in your house. He wants to replace a fuse with a piece of wire. Would you agree? Give reasons for your response.

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Solution

An electric fuse is a device that is used to protect electric circuits and electric appliances against high current caused by the fault in an electric circuit. It is a short piece of wire made of a material of high resistance and low melting point. Material with a low melting point is preferred because whenever a fault occurs in the circuit, the fuse wire should be able to melt quickly. So the electrician is wrong and he should replace the fuse with only wires having a low melting point and not with any type of wires. It is always advised to use proper fuses with ISI marks, specified for a particular application with proper current ratings rather than just a piece or strip of wire.

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