Q. The composition of electrician solder is __.

A
Tin-40%, Lead-60%
B
Tin-50%, Lead-50%
C
Tin-90%, Lead-10%
D
Tin-60%, Lead-40%
Solution:
  • Solder is a metal alloy usually made of tin and lead which is melted using a hot iron.
  • A higher tin composition gives the solder higher corrosion resistance but raises the melting point
  • The composition of electrician solder is
    Tin-60%, Lead-40%.
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