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Which of the following increases the resonant frequency of a dipole antenna?

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  1. Lengthening it
  2. Shortening it
  3. Inserting coils in the radiating wires

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References

  1. NCVEC 2026-2030 Technician Question Pool, T9A05 www.ncvec.org/downloads/2026-2030%20Technician%20Pool%20and%20Syllabus%20Public%20Release%20Feb%2019%202026.pdf Checked 2026-10-09.

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