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AP EAMCET202315 May 2023Morning ShiftPhysicsCommunication SystemActual

A carrier wave of peak voltage 15 ~V is used to transmit a message signal. If the modulation index is 60 % , then the peak voltage of the modulating signal is

Options

  1. A3 ~V
  2. B6 ~V
  3. C9 ~V
  4. D12 ~V

Correct answer

C. 9 ~V

Step-by-step solution

The peak voltage for the modulating signal is m = A _ m A _ C ; A _ m = mA _ C =0.60 15=9 ~V

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