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In amplitude modulation...

In amplitude modulation

A

amplitude remains constant but frequency changes

B

both amppitude and frequency do not change

C

both amplitude and frequency change

D

amplitude of the carrier wave changes according to information signal

Text Solution

Verified by Experts

The correct Answer is:
D
`P_(R) =sqrt(9P^(2) +4P^(2))=sqrt(13P)`
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