G9A10:What standing wave ratio results from connecting a 50-ohm feed line to a 10-ohm resistive load?
Direct answer summary (2023-2027 NCVEC pool)
The official correct answer for G9A10 is 5:1.
The key fact is 5:1. Match that fact to the exact condition in the question; the other choices describe a different rule, band, component, or operating situation.