ETC EngineeringMCQs
Home › Antenna & Wave Propagation › An antenna has effective aperture 1 m² at wavelength 1 m. Its gain is approximately?
MCQ Practice Question
Antenna & Wave PropagationAperture & Gain

An antenna has effective aperture 1 m² at wavelength 1 m. Its gain is approximately?

  • A3.14
  • B6.28
  • C12.57
  • D25.13
Report an error
Correct Answer: C. 12.57
Explanation: G=4pi Ae/lambda²=4pi≈12.57.
Reference: Standard antenna and wave propagation: aperture & gain
Continue practicing: Antenna & Wave Propagation MCQs or browse all MCQs.