A. 63% tin and 37% lead
B. 63% lead and 37% tin
C. 63% tin and 37% aluminium
D. 63% lead and 37% aluminium
Fuse-wire Is made up of what?
A fuse is a piece of wire of a material with a very low melting point, that is, it melts and breaks as soon as its temperature gets higher than its melting point. The material used for making fuse have low melting points, hence fuse wires are mainly made up of tin, lead or zinc.
Fuse-wire Is formed by tin-lead alloy (63% tin + 37% lead). It should have a low melting point and high resistivity. Fuse-wire is applied in series as a safety device in an electric circuit and is created so as to melt and thereby open the circuit if the current exceeds a decided value due to some fault.
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