JEE Main & Advanced Physics Electrostatics & Capacitance Question Bank Electric Field and Potential

  • question_answer
    The electric field near a conducting surface having a uniform surface charge density \[\sigma \] is given by           [MP PMT 1994]

    A)                                                               \[\frac{\sigma }{{{\varepsilon }_{0}}}\] and is parallel to the surface

    B)                                                               \[\frac{2\sigma }{{{\varepsilon }_{0}}}\] and is parallel to the surface

    C)                                                               \[\frac{\sigma }{{{\varepsilon }_{0}}}\] and is normal to the surface

    D)                                                               \[\frac{2\sigma }{{{\varepsilon }_{0}}}\] and is normal to the surface

    Correct Answer: C

    Solution :

                         Electric field near the conductor surface is given by \[\frac{\sigma }{{{\varepsilon }_{0}}}\] and it is perpendicular to surface.


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