A

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Q. Antenna’s efficiency is given by the ratio of

  • (A) effective aperture to physical aperture
  • (B) physical aperture to effective aperture
  • (C) signal power to noise power
  • (D) losses

Explanation by: Admin

the larger the antenna aperture the larger is the resulting signal power density in the desired direction. the ratio of effective aperture to physical aperture is the antenna’s efficiency.

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