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NEET Sample Paper NEET Sample Test Paper-7

  • question_answer
    A body has a charge of one coulomb. The number of excess (or lesser) electrons on it from its normal state will be:

    A)  \[\infty \]                     

    B)  \[1.6\times {{10}^{-19}}\]

    C)  \[1.6\times {{10}^{19}}\]               

    D)  \[6.25\times {{10}^{18}}\]

    Correct Answer: D

    Solution :

    As, the total charge Q= ne \[\Rightarrow \]               \[n=\frac{1}{1.6\times {{10}^{-19}}}\]      (as   \[Q=1C\])                 \[=6.25\times {{10}^{18}}\]


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