A) Carrier amplitude = signal amplitude
B) Carrier amplitude ¹ signal amplitude
C) Carrier frequency = signal frequency
D) Carrier frequency ¹ signal frequency
Correct Answer: A
Solution :
When signal amplitude is equal to the carrier amplitude, the amplitude of carrier wave varies between 2A and zero.
\[{{m}_{a}}=\frac{\text{Amplitude charge of carrier}}{\text{Amplitude of normal carrier}}=\frac{2A-A}{A}\times 100=100%\]
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