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If a number of sine waves with modulatio...

If a number of sine waves with modulation indices n,n,n ........ modulate a carrier wave, then total modulation index ( n ) of the wave is

A

`n_1+ n_2 ... + 2(n_1 + n_2...)`

B

`sqrt(n_1-n_2+n_3......)`

C

`sqrt(n_1^2-n_2^2+n_3^2......)`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
C
Total modulation index `n= sqrt(n_1^2+n_2^2+n_3^2+......)`
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