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NEET Sample Paper NEET Sample Test Paper-83

  • question_answer
    Figure shows a spherical Gaussian surface and a charge distribution. When calculating the flux of electric field through the Gaussian surface, the electric field will be due to

    A)  \[+\,{{q}_{3}} alone\]             

    B)  \[+\,{{q}_{1}} and\,\,+{{q}_{3}}\]

    C)  \[+\,{{q}_{1}}+{{q}_{3}}\,and\,\,-{{q}_{2}}\]           

    D)  \[+\,{{q}_{1}}\,\,and\,\,-{{q}_{2}}\]

    Correct Answer: C

    Solution :

    The electric flux is given by surface integral \[\int \,\,E\,\cdot \,ds\] Here, the electric field E is due to all the charges, both inside and outside the Gaussian surface.


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