Teaching Environmental Studies How We Make Things Question Bank Questions - How We Make Things

  • question_answer
    Polyvinyl coating is present in wires because

    A)  wires are ductile

    B)  wires are good conductor

    C)  wires are bad-conductor

    D)  wires have shining surface

    Correct Answer: B

    Solution :

    [b] Electric wires are made of copper, which is a good conductor of electricity so to protect from current there is a polyvinyl coating done on wires.


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