A carrier wave of peak voltage 10 V is u...

A carrier wave of peak voltage `10 V` is used to transmit a message signal. The peak voltage of the modulating signal in order to have a modulation index of `80%` is

`6 V`

`9 V`

`8 V`

`15 V`

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The correct Answer is:

Modulation index
`=("Amplitude of modulating signal")/("Amplitude of carrier wave")`

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