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    Question

    The insulator of electricity is :

    A Copper Correct Answer Incorrect Answer
    B Silk Correct Answer Incorrect Answer
    C Human body Correct Answer Incorrect Answer
    D Aluminium Correct Answer Incorrect Answer

    Solution

    An electrical insulator is a material in which electric current does not flow freely. The insulator of electricity is silk as it doesn't have any free electrons for the flow of the current.

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