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Antenna & Wave PropagationDirectivity & Gain

If an antenna has directivity 10 and radiation efficiency 0.8, its power gain is?

  • A8
  • B10
  • C12.5
  • D80
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Correct Answer: A. 8
Explanation: Gain=efficiency×directivity=0.8×10=8.
Reference: Standard antenna and wave propagation: directivity & gain
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