AP EAMCET202318 May 2023Evening ShiftPhysicsCommunication SystemActual
For an amplitude modulated wave, the maximum and minimum amplitudes are 12 ~V and 3 ~V respectively. Then the modulation index is
Options
- A0.4
- B0.9
- C0.6
- D0.3
Correct answer
C. 0.6
Step-by-step solution
Given, V _ =12 ~V and V _ =3 v modulation index, = V_ -V_ V_ +V_ = 12-3 12+3 = 9 15 =0.6