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What are the constituents of solder alloy? Which property of solder makes it suitable for welding electrical wires?
Answers (1)
Ans.
One is a soft solder, which is an alloy of tin and lead. The other is a hard solder, which is an alloy of copper and zinc.
Most commonly used solder is the soft solder: an alloy of lead (Pb) and tin (Sn).
It contains 50% lead and 50% tin.
Solder is suitable for welding electrical wires because it has a low melting point. Hence, it is used for soldering (or welding) electrical wires together.
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