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NEET NEET SOLVED PAPER 2013

  • question_answer
    A wire of resistance \[4\,\Omega \] is stretched to twice   its   original   length.   The resistance of stretched wire would be

    A) \[2\,\Omega \]             

    B)  \[4\,\Omega \]

    C)  \[8\,\Omega \]             

    D)  \[16\,\Omega \]

    Correct Answer: D

    Solution :

    As\[R'={{n}^{2}}R={{2}^{2}}\times 4=4\times 4=16\,\Omega \]


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