In an fm signal, (a) the RATE of shift is proportional to what characteristic of the modulating signal, and (b) the AMOUNT of shift is proportional to what characteristic?
A. (a) Amplitude (b) amplitude
B. (a) Amplitude (b) frequency
C. (a) Frequency (b) frequency
D. (a) Frequency (b) amplitude
Show Answer
Answer: C
Share your understanding of this question with the correct explanation.