AMU Medical AMU Solved Paper-1997

  • question_answer
    A conducting wire is drawn to double its length. Final resistivity of the material will be

    A)  double of the original one

    B)  half of the original one.

    C)  one-fourth of the original one

    D)  same as original one

    Correct Answer: D

    Solution :

    : Resistivity or specific resistance is the property of material. It does not depend on length or diameter of wire. Resistivity remains same as original one.


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