Calculate modulation index if carrier wa...

Calculate modulation index if carrier waves is modulated by three signals with modulation indices as `0.6`, `0.3` and `0.4`

A

`1.0`

B

`0.70`

C

`0.78`

D

`1.3`

Verified by Experts

The correct Answer is:

C

`m_(t)=sqrt(m_(1)^(2)+m_(2)^(2)+m_(3)^(2))=0.78`

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