BHU PMT BHU PMT (Mains) Solved Paper-2005

  • question_answer
    The plates of a parallel plate capacitor are not exactly parallel. The surface charge density is therefore:

    A)  lower at the closer end

    B)  will not be uniform

    C)  each plate will have the same potential at every point

    D)   and  both

    Correct Answer: D

    Solution :

                     Being a conductor, each plate has the same potential at each point. As\[E\propto \sigma ,\] so surface charge density o is higher at the closer end because electric field being the conductor gradient of potential is highest, where the plates are closest to each other.


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