An audio signal of amplitude 0.1 V is used in amplitude modulation of a carrier wave of amplitude 0.2 V. The modulation index is:
A. 0.1
B. 0.3
C. 0.5
D. 0.7
Answer:C
An audio signal of amplitude 0.1 V is used in amplitude modulation of a carrier wave of amplitude 0.2 V. The modulation index is:
A. 0.1 B. 0.3 C. 0.5 D. 0.7