Chhattisgarh PMT Chhattisgarh PMT Solved Paper-2011

  • question_answer
    A total charge +Q is located at the centre of a cubical box. The total flux going out through one wall of the box is

    A)  \[Q/{{\varepsilon }_{0}}\]                          

    B) \[Q/3{{\varepsilon }_{0}}\]

    C) \[Q/4{{\varepsilon }_{0}}\]                         

    D) \[Q/6{{\varepsilon }_{0}}\]

    Correct Answer: D

    Solution :

    According to Gauss's law, total flux bound to a dose surface due to charge Q. \[\phi =\frac{Q}{{{\varepsilon }_{0}}}\] There are 6 phases in cube. So, flux bound to one face \[=\frac{Q}{6{{\varepsilon }_{0}}}\].


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