NCERT Class XII Chapter
Communication Systems
Questions With Solutions
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Question : 5
Total: 8
A carrier wave of peak voltage 12 V is used to transmit a message signal. What should be the peak voltage of the modulating signal in order to have a modulation index of 75%?
Solution:
Modulation index, µ =
So, peak voltage
A m µ A c
So, peak voltage
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