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Electromagnetic TheoryCapacitance

The capacitance of a parallel-plate capacitor with plate area A, separation d and permittivity ε, neglecting fringing, is?

  • AεA/d
  • Bεd/A
  • CA/(εd)
  • Dd/(εA)
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Correct Answer: A. εA/d
Explanation: For a uniform parallel-plate capacitor, C=εA/d.
Reference: Standard electromagnetic theory: capacitance
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