ETC EngineeringMCQs
Home › Communication Systems › For distortion-free conventional AM with a sinusoidal message, the modulation index should normally not exceed?
MCQ Practice Question
Communication SystemsAmplitude Modulation

For distortion-free conventional AM with a sinusoidal message, the modulation index should normally not exceed?

  • A0.1
  • B0.5
  • C1
  • D2
Report an error
Correct Answer: C. 1
Explanation: When m exceeds 1, overmodulation causes envelope distortion in conventional AM.
Reference: Standard communication systems: amplitude modulation
Continue practicing: Communication Systems MCQs or browse all MCQs.