Question: An AM modulator operates on the message signal . The unmodulated carrier is given by and the modulation index is . Determine the efficiency. Select

An AM modulator operates on the message signal . The unmodulated carrier is given by and the modulation index is . Determine the efficiency.
Select one:
a. None of the answers.
b. Eff=75.75%
c.,Eff=20%
d. Eff=11.11%
An AM modulator operates on the message signal .

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