E0A10:When must an RF exposure evaluation be performed on an amateur station operating on 80 meters?
Direct answer summary (2024-2028 NCVEC pool)
The official correct answer for E0A10 is An evaluation must always be performed.
The key fact is An evaluation must always be performed. Match that fact to the exact condition in the question; the other choices describe a different rule, band, component, or operating situation.