E8B09 — Amateur Extra Class

E8B09 : What is deviation ratio?
A The ratio of the audio modulating frequency to the center carrier frequency
B The ratio of the maximum carrier frequency deviation to the highest audio modulating frequency
C The ratio of the carrier center frequency to the audio modulating frequency
D The ratio of the highest audio modulating frequency to the average audio modulating frequency
Correct Answer: The ratio of the maximum carrier frequency deviation to the highest audio modulating frequency