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  5. Electric Current and Its Effects

7th Class Science Electric Current and Its Effects Question Bank Electric Current and Its Effects

  • question_answer
    A small rod is wound round with certain coils and current is allowed to pass for some time. When the rod was taken out, it was found not to attract iron. The material of the rod may be

    A) Copper      

    B) Cobalt

    C) Steel                            

    D) Nickel

    Correct Answer: A

    Solution :

    Copper                       


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