G5B09:What is the RMS voltage of a sine wave with a value of 17 volts peak?
Direct answer summary (2023-2027 NCVEC pool)
The official correct answer for G5B09 is 12 volts.
The key fact is 12 volts. Match that fact to the exact condition in the question; the other choices describe a different rule, band, component, or operating situation.