Q118 / 150 · MHT CET 2020 (20 Oct Shift 2) · Physics

Identify the 'INCORRECT' statement from the following.

  • Correct answer
    A
    Modulation index $\mu$ is kept greater than one to avoid distortion.
  • B
    The receiving antenna is followed by amplifier, intermediate frequency (IF) stage and detector.
  • C
    AM detection is carried out using a rectifier and an envelop detector.
  • D
    Modulated signal is to be followed by power amplifier and then fed to an antenna.

Solution

Modulation index $\mathrm{u}$ is kept greater than one to avoid distortion

Hence, the correct answer is option: 'A'.

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