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The audio signal used to modulate 60 sin...

The audio signal used to modulate `60 sin (2pixx10^(6)t)` is `15 sin 300 pi t`. The depth of modulation is

A

`50%`

B

`40%`

C

`25%`

D

`15%`

Text Solution

Verified by Experts

The correct Answer is:
c
`m_(a)=(E_(m))/(E_(c))=(15)/(60)xx100=25%`
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