MCQs in Frequency Modulation – Answers

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(Last Updated On: December 8, 2017)

Answers in Frequency Modulation

Below are the answers key for Multiple Choice Questions in Chapter 5: Frequency Modulation from the book Electronic Communication Systems by George Kennedy. Make sure to familiarize each and every questions to increase the chance of passing the ECE Board Exam.

1. c. the discriminator frequency must not be too low, or the system will fail

2. b. the amplitude of any sideband depends on the modulation index

3. d. lies in the different definitions of the modulation index

4. d. Equalization is unnecessary

5. c. 3mf

6. d. δ

7. b. amplifying the higher audio frequencies

8. b. is decreased

9. c. frequency

10. b. Lower bandwidth is required

11. c. Armstrong modulator

12. c. difference signal modulates the 38 kHz subcarrier

Complete List of MCQs in Electronic Communication Systems by Kennedy

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