Question

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State the purpose of a fuse in an electric circuit.
Name the material used for making a fuse wire.
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Answer 1

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Fuse is used as a safety measure in electric circuit. If electric current in a electric circuit exceed its rate limit, then due to excessive heating, the fuse wire melts and break the electric current. Through current flow in a circuit stops and no damage takes place.

Fuse wire is generally prepared of an alloy of tin and lead.