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MCQ Practice Question
Antenna & Wave PropagationBeamwidth

The half-power beamwidth of an antenna is the angular separation between points where the radiated power falls to?

  • AHalf of its maximum value
  • BOne-fourth of maximum
  • CZero
  • DTwice the maximum
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Correct Answer: A. Half of its maximum value
Explanation: At the half-power points, power is 0.5 of maximum, corresponding to about -3 dB.
Reference: Standard antenna and wave propagation: beamwidth
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