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In an FM system a 7 kHz signal modulates...

In an `FM` system a `7 kHz` signal modulates `108 MHz` carrier so that frequency deviation is `50 kHz`. The frequency modulation index is

A

`7.143`

B

`8`

C

`0.71`

D

`350`

Text Solution

Verified by Experts

The correct Answer is:
A
(`1`) Frequency modulation index
`=("Frequency deviation")/("Modulating frequency")=(50)/(7)=7.143`
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