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6th Class Science Electricity and Circuits Question Bank Electrcity and Circuits

  • question_answer
    Which one of the following is the correct grouping of different materials according to their electrical conductivity?                

    A)
    Electrical Insulators Electrical Conductors
    Plastic/wood Mercury, tungsten

    B)
    Electrical Insulators Electrical Conductors
    Carbon, steel     Iron, paper
         

    C)
    Electrical Insulators Electrical Conductors
    Copper, gold Nickel, clay
         

    D)
    Electrical Insulators Electrical Conductors
    Iron, rubber Silver, plastic

    Correct Answer: A

    Solution :

          Electrical insulators are plastic, wood, paper, clay, rubber, etc. Electrical conductors are metals like mercury, tungsten, steel, nickel, carbon, copper and gold.


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