T9B10:What is the electrical difference between RG-58 and RG-213 coaxial cable?
Direct answer summary (2026-2030 NCVEC pool)
The official correct answer for T9B10 is RG-213 cable has less loss at a given frequency.
The key fact is RG-213 cable has less loss at a given frequency. Match that fact to the exact condition in the question; the other choices describe a different rule, band, component, or operating situation.