A Yagi-Uda antenna normally consists of a driven element together with?

  • AA reflector and one or more directors
  • BOnly a parabolic dish
  • COnly a horn aperture
  • DTwo identical ground planes with no parasitic elements
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Correct Answer: A. A reflector and one or more directors
Explanation: A typical Yagi-Uda uses one driven element, usually a dipole, plus a reflector and one or more parasitic directors.
Reference: Standard antenna and wave propagation: yagi-uda antenna