ETC EngineeringMCQs
Home › Communication Systems › For an FM signal with frequency deviation 50 kHz and modulating frequency 10 kHz, the modulation index is?
MCQ Practice Question
Communication SystemsFrequency Modulation

For an FM signal with frequency deviation 50 kHz and modulating frequency 10 kHz, the modulation index is?

  • A0.2
  • B5
  • C10
  • D50
Report an error
Correct Answer: B. 5
Explanation: beta=Delta f/fm=50/10=5.
Reference: Standard communication systems: frequency modulation
Continue practicing: Communication Systems MCQs or browse all MCQs.