VMMC VMMC Medical Solved Paper-2013

  • question_answer
    A conducting sphere of radius \[R=20\,cm\]is given a charge \[Q=16\mu C.\] What is E at its centre?

    A)  \[3.6\times {{10}^{6}}\,N/C\]

    B)  \[1.8\times {{10}^{6}}\,N/C\]

    C)  Zero

    D)  \[0.9\times {{10}^{6}}N/C\]

    Correct Answer: C

    Solution :

     \[\oint{E.ds=\frac{Q}{{{\varepsilon }_{0}}}}.\] Will be for \[Q=0\] \[\oint{E.dS=0}\]


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