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Question
A fuse wire (alloy of tin and lead) is a safety device for electronic gadgets. Can copper replace tin in this alloy?
Short Answer
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Solution
No. Tin is employed because it reduces the lead-tin alloy’s melting temperature, causing the fuse to melt rapidly when too much current flows and disrupts the circuit. A lead-copper alloy would not melt readily and would not function as an efficient fuse since copper has a significantly higher melting point.
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