WBCS.LIVE practice question

Solder, an alloy used extensively in the electronics industry for joining wires, is composed of which two metals?

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. Copper and Zinc
  2. Aluminum and Copper
  3. Lead and Tin
  4. Lead and Silver

Correct answer and explanation

Correct answer: Lead and Tin

Explanation: āœ… Correct Answer: C) Lead and Tin šŸ“š Explanation: Solder is a fusible metal alloy characterized by a relatively low melting point, which allows it to melt and join metallic parts without damaging them. The most common form of solder consists of approximately 60% tin and 40% lead. Because of its excellent conductivity and bonding properties, it is the standard material for creating connections on printed circuit boards.