Which are the materials generally employed as solder in soldering operations in electronics?
Which are the materials generally employed as solder in soldering operations in electronics?
(a) Iron and tin (b) Lead and tin (c) Aluminium and lead (d) Aluminium and iron
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(b) Solder is a fusible metal alloy with a melting point or melting range of 90 to 450 degree Celsius (190 to 840 °F), used in a process called soldering where it is melted to join metallic surfaces. It is especially useful in electronics and plumbing. Solder is an alloy of lead and tin.
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