Physics
Grade-6
Easy

Question

Glass is the _____ of electricity

  1. Conductor
  2. Semiconductor
  3. Insulator
  4. Neutral

hintHint:

  • Material like glass has no free electrons and in the absence of free or delocalized electrons, it is unable to conduct electricity.

The correct answer is: Insulator


    • A conductor allows current to flow easily through it. Insulators don't allow current to flow through it. Electric charges are absent in insulator. Conductors are used in making electrical equipment.
    • In comparison, a material like glass has no free electrons and in the absence of free or delocalized electrons, it is unable to conduct electricity. 
    • So glass is Insulator

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