Which of the following is a Conductor?

  1. Silver
  2. Copper
  3. Graphite
  4. All of these

Answer (Detailed Solution Below)

Option 4 : All of these
Free
RRB NTPC Graduate Level Full Test - 01
100 Qs. 100 Marks 90 Mins

Detailed Solution

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The correct answer is All of these.

Key Points

  • Silver, Copper, and Graphite are all conductors.
  • The substances that allow the current to flow through them are known as conductors.
  • They have a large number of free electrons.
  • Conductors are those materials that allow heat to flow.
  • Heat is thermal energy and is transferred from one place to another by conduction.
  • Metals are good conductors of heat.

Additional Information

  • Example of nonmetals which are not conductor: Diamond, wood, sand.
  • Graphite is the only nonmetal that allows electricity to pass.

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