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A carrier wave is modulated by a number ...

A carrier wave is modulated by a number of sine waves with modulation indices `0.1`, `0.2`, `0.3`. The total modulation index (`m`) of the waves is

A

`0.6`

B

`0.2`

C

`sqrt(0.14)`

D

`sqrt(0.07)`

Text Solution

Verified by Experts

The correct Answer is:
C
`m=sqrt(m_(1)^(2)+m_(2)^(2)+m_(3)^(2))`
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