Explain the use of an electric fuse. What type of material is used for fuse wire and why ?

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Solution

Fuse is a safety device made of special material like alloy of lead & tin, so that it has low melting point. It is inserted in the electric circuit so that, if current in the circuit exceeds the maximum value, the fuse wire gets overheated and melt. Thus it breaks the circuit connection, which would otherwise may cause short circuit.

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