Multiple choice

Which of the following is a good conductor of heat?

  1. Glass

  2. Plastic

  3. Wood

  4. Copper

  5. Cotton

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This is the correct option. Copper is a good conductor of heat. For  e.g., Cooling coils of air-conditioners are made of copper as copper readily conducts away heat.