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| 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 | |
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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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