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Electrostatics: Gauss's Law MCQ

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Gauss's LawMediumQuestion 31428

Question

If a closed surface encloses no net charge, then flux through the surface is:
  1. A
    Maximum
  2. B
    Minimum
  3. C
    Zero
    Correct
  4. D
    Depends on shape

Correct answer

Zero

Explanation

By Gauss's law, ΦE = q_enc/ε₀ = 0 when q_enc = 0. All field lines that enter must also exit.

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