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Let m(t)=cos(4pixx10^(3)t) and C(t)=5cos...

Let `m(t)=cos(4pixx10^(3)t)` and `C(t)=5cos(2pixx10^(6)t)` are the message and carrier signals modulation index is `0.5`. What is the efficency achieved?

A

`8.33%`

B

`11.11%`

C

`20%`

D

`25%`

Text Solution

Verified by Experts

The correct Answer is:
B

`eta=(m^(2))/(2+m^(2))`
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