Quiz  /  MCQ On Conductors And Insulators

  • 1. 
    Which of the following is the most conductive element?

  • Copper
  • Iron
  • Silicon
  • Silver

  • 2. 
    A material that has zero resistance is called

  • Insulator
  • Conductor
  • Superconductor
  • semiconductor

  • 3. 
    Why is copper a preferred choice in making electrical wires?

  • Copper is a good conductor of electricity
  • Poor conductors of electricity
  • Insulators
  • Superconductors

  • 4. 
    Which among the following is not an insulator?

  • Wool
  • Plastic
  • Silver
  • Paper

  • 5. 
    What is the inverse of resistance called?

  • Inductance
  • Conductance
  • Resistivity
  • permittivity

  • 6. 
    The energy gap is maximum in

  • Conductors
  • Semiconductors
  • Insulators
  • Superconductors

  • 7. 
    Conductors are materials that allow

  • Allow the flow of heat
  • Does not allow heat to flow
  • Allows cold to flow
  • Stops cold from passing through

  • 8. 
    Good conductors have many loosely bound

  • Atoms
  • Protons
  • Molecules
  • Electrons

  • 9. 
    The resistance of the conductor is directly proportional to

  • Length
  • Area of cross-section
  • Temperature
  • resistivity

  • 10. 
    With the increase in temperature the resistance of semiconductors

  • Decreases
  • Increases
  • Remains constant
  • Initially increases and then decreases

  • 11. 
    Which of the following is an insulator?

  • Brass
  • Copper
  • Gold
  • Glass
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