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What impedance does a quarter-wavelength transmission line present to the generator when shorted at the far end?

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  1. Very low impedance
  2. Very high impedance
  3. The line's characteristic impedance

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References

  1. NCVEC 2024-2028 Amateur Extra Question Pool, 4th Errata (Feb 4, 2026) ncvec.org/downloads/2024-2028%20Extra%20Class%20Question%20Pool%20and%20Syllabus%20Public%20Release%20with%204th%20Errata%20Feb%204%202026.pdf Checked 2026-10-11.

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