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NEET Sample Paper NEET Sample Test Paper-8

  • question_answer
    AB is wire of uniform resistance. The galvanometer G shows zero current when the length \[AC=20cm\]and \[CB=80cm\], The resistance R is equal to:                                    

    A)  \[2\,\Omega \]                                

    B)  \[8\Omega \]

    C)                  \[20\Omega \]

    D)  \[40\Omega \]

    Correct Answer: C

    Solution :

    By balanced Wheatstone bridge \[\frac{R}{20}=\frac{80}{80}\]


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