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Manipal Medical Manipal Medical Solved Paper-2011

  • question_answer
    In a meter bridge with a standard resistance of \[5\,\Omega ,\]in the left gap, the ratio of balancing lengths on the meter bridge wire is\[2:3\]. The unknown resistance is

    A)  \[3.3\,\Omega \]            

    B)  \[7.5\,\Omega \]

    C)  \[10\,\Omega \]             

    D)  \[15\,\Omega \]

    Correct Answer: B

    Solution :

     For meter bridge Unknown resistance \[R=\frac{{{l}_{2}}}{{{l}_{1}}}\times X=\frac{3}{2}\times 5=7.5\,\Omega \]


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