Manipal Engineering Manipal Engineering Solved Paper-2013

  • question_answer
    A charge\[q\]is located at the centre of a cube. The electric flux through any face is

    A) \[\frac{\pi \,\,q}{6(4\pi \,\,{{\varepsilon }_{0}})}\]                           

    B) \[\frac{q}{6(4\pi \,\,{{\varepsilon }_{0}})}\]

    C) \[\frac{2\,\,\pi \,\,q}{6(4\pi \,\,{{\varepsilon }_{0}})}\]  

    D)        \[\frac{4\,\,\pi \,\,q}{6(4\pi \,\,{{\varepsilon }_{0}})}\]

    Correct Answer: D

    Solution :

    Gausss law                 \[\phi =\frac{q}{{{\varepsilon }_{0}}}\]                 \[\phi =\frac{\phi }{6}=\frac{q}{6{{\varepsilon }_{0}}}=\frac{4\pi \,\,q}{6(4\pi {{\varepsilon }_{0}})}\]


You need to login to perform this action.
You will be redirected in 3 sec spinner