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T9A05
Which of the following increases the resonant frequency of a dipole antenna?
Pick an answer to check it.
Answer: C. Shortening it
Shortening a dipole increases its resonant frequency. Shorter antennas resonate at higher frequencies, because higher frequencies have shorter wavelengths. Lengthening it or adding coils or capacitive end loading lowers the frequency.
Tip: Shorter wire, higher frequency.