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%`

Verified by Experts

The correct Answer is:

C

`mu = (A_m)/(A_c)=15/60 =0..25 =25%`

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