NEET Physics Electrostatics & Capacitance Question Bank NEET PYQ - Electrostatics and Capacitance

  • question_answer
    What is the through a cube of side a if a point charge of q is a one of its corner? [AIPMT (S) 2012]

    A) \[\frac{2q}{{{\varepsilon }_{0}}}\]

    B) \[\frac{q}{8{{\varepsilon }_{0}}}\]

    C) \[\frac{q}{{{\varepsilon }_{0}}}\]

    D) \[\frac{q}{2{{\varepsilon }_{0}}}6{{a}^{2}}\]

    Correct Answer: B

    Solution :

    [b] Charge enclosed \[=q/8\]
    Therefore, flux  \[\phi =\frac{{{q}_{enclosed}}}{{{\varepsilon }_{0}}}\]
    \[\phi =\frac{q}{8{{\varepsilon }_{0}}}\]


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