In frequency modulation_______
A. frequency of the carrier remains constant
B. carrier frequency varies in accordance with the modulating signal frequency
C. carrier frequency varies in accordance with the modulating signal amplitude
D. both 'a' and 'b'
Answer:C
In frequency modulation_______
A. frequency of the carrier remains constant B. carrier frequency varies in accordance with the modulating signal frequency C. carrier frequency varies in accordance with the modulating signal amplitude D. both 'a' and 'b'