G4C05:What is a possible cause of high voltages that produce RF burns?
Direct answer summary (2023-2027 NCVEC pool)
The official correct answer for G4C05 is The ground wire has high impedance on that frequency.
The key fact is The ground wire has high impedance on that frequency. Match that fact to the exact condition in the question; the other choices describe a different rule, band, component, or operating situation.