For a closed surface $\oint {\overrightarrow {E \cdot } } \,\overrightarrow {ds} \,\, = \,\,0$, then 

  • A

    Electric field at every point on surface is zero

  • B

    Electric field at every point on surface is uniform

  • C

    Electric Field at every point on surface is parallel

  • D

    The number of electric field lines entering the surface will be equal to number of electric field line exit the surface

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