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MCQ in Communications Engineering Part 1 – Answers

(Last Updated On: March 15, 2020)

Answers in Miscellaneous MCQ in Communications Engineering Part 1

Below are the answers key for the Uncategorized Multiple Choice Questions in Communications Engineering Part 1.

Answer Key:

1. Equal power per octave

2. Using a common-base amplifier

3. Superheterodyne group

4. Antenna lengths will be approximately λ/4 long

5. Between 20 to 120 MHz

6. 0.3 THz – 300 THz

7. 30 MHz

8. 1

9. 3

10. Integrate the modulating signal before applying to the PM oscillator

11. The time-constant of the filter circuits used

12. 50 ohms resistive

13. 1.4778 GHz

14. 453.6 K

15. Commutating filters

16. Squelch

17. Frequency conversion

18. 59%

19. 24.59 ohms

20. Radiation pattern

21. 40 dB to 70 dB

22. A complex impedance

23. A coupling device for matching impedance

24. The sensitivity and the selectivity

25. A value of 1.0 is ideal

26. Would be more

27. Ferrite “loop-stick”

28. Collimated

29. Star quad

30. Alexander Graham Bell

31. Litz wire

32. Three

33. 50 ohms

34. Hard line

35. 75.8%

36. Balun

37. 8 MHz

38. 300

39. Parallel resonant circuit

40. 873 x 10^-9 in

41. Level 2 or Cat 2

42. 50

43. Aerial

44. Boresight axis

45. Would not reflect at all

46. The decrease in energy per square meter due to expansion of the wavefront

47. Guglielmo Marconi

48. Dynamic range

49. Slope detector

50. 112 and 48

The Series

Following is the list of multiple choice questions in this brand new series:

MCQ in Communications Engineering (Miscellaneous)
PART 1: MCQs from Number 1 – 50                        Answer key: PART I
PART 2: MCQs from Number 51 – 100                   Answer key: PART II
PART 3: MCQs from Number 101 – 150                 Answer key: PART III
PART 4: MCQs from Number 151 – 200                 Answer key: PART IV
PART 5: MCQs from Number 201 – 250                 Answer key: PART V
PART 6: MCQs from Number 251 – 300                 Answer key: PART VI
PART 7: MCQs from Number 301 – 350                 Answer key: PART VII
PART 8: MCQs from Number 351 – 400                 Answer key: PART VIII
PART 9: MCQs from Number 401 – 450                 Answer key: PART IX
PART 10: MCQs from Number 451 – 500                 Answer key: PART X

Complete List of MCQs in Communications Engineering per topic

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