Question

Which alloy is used to solder the electric wires?

• A. Copper $+$ Zinc
• B. Aluminium $+$ Magnesium
• C. Lead $+$ Tin
• D. Copper $+$ Tin

Answer 1

The correct option is C Lead $+$ Tin

• Soldering is the use of a conductive substance with a low melting point (solder) to electrically connect components together. It is frequently used to join wires to leads of components such as switches or to join components of all kinds to a printed circuit board.
  
• The alloy used for soldering electrical wires is solder. Solder is an alloy of lead and tin. It is used for this purpose because it has low melting point.