MCQ in Noise Part 1 – Answers

(Last Updated On: April 23, 2020)

MCQ in Noise Part 1 | ECE Board Exam

Below are the answers key for the Multiple Choice Questions in Noise Part 1.

1. Jitter

2. Shannon-Hartley theorem

3. PCM

4. channel

5. Noise

6. All of the above

7. The approximation of the quantized signal

8. Limiter

9. 17

10. Noise

11. Noise factor

12. White noise

13. CCIT G.151

14. CCIT Rec. G.172

15. 800 Hz

16. 290 K

17. Atmospheric noise

18. transmission over power lines and by ground wave

19. Noise improvement factor

20. 15 to 160 MHz

21. peak values

22. Precipitation static

23. 1.3 µV

24. Thermal noise

25. 5.23 dB

26. 10.79 dB

27. Crosstalk

28. -90 dBm

29. pWp

30. Solar flare

31. static

32. 290 K

33. ˚C + 273

34. not changed

35. Both B and C

36.  preemphasis

37. high

38. at frequencies above 30 MHz

39. Apply shielding and filtering where necessary

40. In the receiver front end

41. level

42. dBmc

43. dBrnc

44. 51

45. 46

46. 30

47. definite amount of energy per time period

48. -70 dBm

49. 38 dBa

50. 25

Questions and Answers in Noise Series

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

MCQ in Noise
PART 1: MCQ from Number 1 – 50                        Answer key: PART 1
PART 2: MCQ from Number 51 – 100                   Answer key: PART 2
PART 3: MCQ from Number 101 – 150                 Answer key: PART 3
PART 4: MCQ from Number 151 – 200                 Answer key: PART 4
PART 5: MCQ from Number 201 – 250                 Answer key: PART 5

Complete List of MCQ in Communications Engineering per topic

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