Question

Which alloy is used for the soldering of electric wire?

• A. Sn $+$ Cu
• B. Al
• C. Pb $+$ Sn
• D. Cu $+$ Zn

Answer 1

Answer: (C)

Pb $+$ Sn

$Pb+Sn$ alloy is used for the soldering of electric wire. It is the eutectic alloy of 63% tin and 37% lead. It melts at ${183}^{0}C$.