MCQs in Microwave Tubes and Circuits – Answers

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(Last Updated On: December 8, 2017)

Answers in Microwave Tubes and Circuits

Below are the answers key for Multiple Choice Questions in Chapter 11: Microwave Tubes and Circuits 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. d. CFA

2. b. BWO

3. a. noise figure increases

4. c. multiple or coaxial leads are used

5. a. is not a good low-level amplifier because of noise

6. a. prevent the oscillations that occur in two-cavity klystrons

7. b. has a greater bandwidth

8. b. returning electrons give energy to the gap oscillations

9. a. prevent mode jumping

10. d. ensure that the electrons will orbit around the cathode

11. d. rising sun

12. b. reduce the axial velocity of the RF field

13. b. prevent oscillations

14. c. avoid the bulk of an electromagnet

15. a. capable of a longer duty cycle

16. d. VTM

17. a. Periodic-permanent magnet

18. b. provide attenuation

19. d. traveling-wave tube

Complete List of MCQs in Electronic Communication Systems by Kennedy

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