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AP EAMCET20226 Jul 2022Morning ShiftPhysicsCommunication SystemActual

A message signal of frequency 8 kHz and peak voltage 12 ~V is used to modulate a carrier of frequency 1.2 MHz and peak voltage 20 ~V . The modulation index is

Options

  1. A0.2
  2. B0.3
  3. C0.4
  4. D0.6

Correct answer

D. 0.6

Step-by-step solution

aligned & Modulation index = A _ m A _ c & = 12 20 = 3 5 =0.6 aligned

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