BVP Medical BVP Medical Solved Paper-2014

  • question_answer
    To send 10% of the main current through a moving coil galvanometer of resistance \[3.6mA\], the shunt required is

    A)  \[1.8mA\]                          

    B)  \[62V,\,\,2\Omega \]

    C)  \[63V,\,\,1\Omega \]                                   

    D)  \[61V,\,\,1\Omega \]

    Correct Answer: C

    Solution :

                    \[{{l}_{g}}=l\left( \frac{S}{S+G} \right)\] \[\frac{{{l}_{g}}}{l}=\frac{10}{100}=\frac{S}{S+99}\] \[10S=S+99\] \[S=11\Omega \]


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