Below are the answers key for the Multiple Choice Questions in Noise Part 2.
51. 32
52. 15
53. 75
54. -90 dBm
55. B and C above
56. positive
57. -85 dBm
58. -90 dBm
59. -85 dBm
60. above 30 MHz
61. Atmospheric noise
62. Distant stars are another source of man-made noise
63. Sun
64. A random voltage across the resistor does not exist
65. unchanged
66. Impulse noise voltage is dependent on bandwidth
67. 4.0 µV
68. 2,518 Ω
69. 0.5 mV
70. 875 Ω
71. Input noise voltage
72. an unwanted form of energy tending to interfere with the proper and easy reception and reproduction of wanted signals
73. 39.4
74. 30.3
75. 174 K
76. Thermal agitation
77. Thermal agitation
78. narrowing the bandwidth
79. microvolts
80. Mixer
81. 1.6 dB
82. MESFET
83. 5.5 µV
84. Transit-time noise
85. 11 years
86. All of the above
87. Quantizing noise
88. Impulse noise
89. Crosstalk
90. All of these
91. Miscellaneous noise
92. Psophometer
93. Cosmic noise
94. Solar noise
95. Noise density
96. Increase channel bandwidth
97. Lightning
98. Space noise
99. Thunderstorms
100. MESFET
Questions and Answers in Noise Series
Following is the list of multiple choice questions in this brand new series:
Complete List of MCQ in Communications Engineering per topic
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