Amplitude modulation is
A. Change in amplitude of the carrier according to modulating signal
B. Change in frequency of the carrier according to modulating signal
C. Change in amplitude of the modulating signal according to carrier signal
D. Change in amplitude of the carrier according to modulating signal frequency
Answer:A
Amplitude modulation is
A. Change in amplitude of the carrier according to modulating signal B. Change in frequency of the carrier according to modulating signal C. Change in amplitude of the modulating signal according to carrier signal D. Change in amplitude of the carrier according to modulating signal frequency