CMC Medical CMC-Medical VELLORE Solved Paper-2014

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

    A)  \[3.6\times {{10}^{6}}N\text{/}C\]         

    B)  \[1.8\times {{10}^{6}}N\text{/}C\]

    C)  Zero                                     

    D)  \[0.9\times {{10}^{6}}N\text{/}C\]

    Correct Answer: C

    Solution :

                    The value of E at the centre of sphere is zero. Since, the centre of sphere is placed with in the Gaussian surface, Hence, \[E=0\]


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