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The length of a resonant antenna dipole is

  • lambda
  • lambda/2
  • lambda/4

Explanation from PART66Online

A simple resonant dipole is a half-wave antenna, so its physical length is one half-wavelength (lambda/2) at the operating frequency. Each arm is therefore a quarter-wavelength, giving the correct current and voltage distribution for resonance. A full-wavelength element would not present the resistive feed impedance of a resonant dipole.

J

Jordi asked · 20 Apr 2021

this is wrong in this website is has the same question with the correct answer being "lambda/2" .

Community Comments (3)

S
Sokeros 13 May 2021
A resonant antenna, or resonant-length antenna, is an antenna whose length is a quarter of a wavelength, or multiples thereof, long. In this case, the antenna is purely resistive and its reactance is zero, and hence the maximum amount of current flows through the antenna.
J
Jordi 14 May 2021
Υeah but there is exactly the same question here but with a labmda/2 answer.
J
Jordi 14 May 2021
Υeah but there is exactly the same question here but with a labmda/2 answer.

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