Q.

Fuse wire is made of an alloy of –

A. Tin and Lead
B. Tin and Copper
C. Lead and Copper
D. Copper and Silver
Answer» A. Tin and Lead
Explanation: The common material used as fuse wire is an alloy of tin and lead (63% tin and 37% lead). Fuse wires provide over current protection of an electrical circuit including the source of power and the load. Its essential component is a metal wire or strip that melts when too much current flows through it, thereby interrupting the flow of current.
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