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T9B02:What is the most common impedance of coaxial cables used in amateur radio?

T9B02T9B

What is the most common impedance of coaxial cables used in amateur radio?

Direct answer summary (2026-2030 NCVEC pool)

The official correct answer for T9B02 is 50 ohms.

The key fact is 50 ohms. Match that fact to the exact condition in the question; the other choices describe a different rule, band, component, or operating situation.

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More questions in T9B

T9B01Which of the following connectors should be carefully taped for weather protection when used outdoors?T9B03Why is coaxial cable the most common feed line for amateur radio antenna systems?T9B04What is the major function of an antenna tuner (antenna coupler)?T9B05What happens as the frequency of a signal in coaxial cable is increased?T9B06Which of the following connector types is most suitable as an RF connector for frequencies above 400 MHz?T9B07Which of the following is true of PL-259 type coax connectors?