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Electromagnetic TheoryGauss's Law

A closed Gaussian surface encloses no net charge. The net electric flux of D through the surface is?

  • AZero
  • BAlways positive
  • CAlways negative
  • DInfinite
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Correct Answer: A. Zero
Explanation: By Gauss's law, zero enclosed net charge gives zero net flux.
Reference: Standard electromagnetic theory: gauss's law
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