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NEET 2023

NEET 2023 Physics question on Electrostatics

If ∫E⋅dS=0\int E \cdot dS = 0 over a surface, then
  1. A.
    The number of flux lines entering the surface must be equal to the number of flux lines leaving it
  2. B.
    The magnitude of electric field on the surface is constant
  3. C.
    All the charges must necessarily be inside the surface
  4. D.
    The electric field inside the surface is necessarily uniform
Show answer

Correct option: A

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