The key fact is Frequency is horizontal, signal strength is intensity, time is vertical. Match that fact to the exact condition in the question; the other choices describe a different rule, band, component, or operating situation.
The official correct answer for G8C14 is Frequency is horizontal, signal strength is intensity, time is vertical.
The key fact is Frequency is horizontal, signal strength is intensity, time is vertical. Match that fact to the exact condition in the question; the other choices describe a different rule, band, component, or operating situation.