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Which of the following are good conductors of heat and electricity?

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Which of the following are good conductors of heat and electricity?
1. Lead and plastic
2. Copper and aluminium
3. Tin and plastic
4. Gold and silver
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Correct Answer - Option 2 : Copper and aluminium

Explanation:

  • Conductors are the substances through which a flow of current i.e. the flow of free electrons can be set up easily.
  • In metals, the bonds are formed by excess or free electrons moving around a large array of atoms.
  • These electrons are able to conduct electricity and heat.
  • Copper and Aluminium is the most popular material used for wires because it is a very good conductor of electrical current and it is cheaper when compared to gold and silver.
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