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Electromagnetic TheoryReflection & Transmission

For normal incidence on a perfect electric conductor, the electric-field reflection coefficient is?

  • A+1
  • B-1
  • C0
  • D+0.5
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Correct Answer: B. -1
Explanation: The tangential total electric field must vanish at a PEC surface, requiring Er=-Ei and Γ=-1.
Reference: Standard electromagnetic theory: reflection & transmission
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