Below are the answers key for the Multiple Choice Questions in Noise Part 3.
101. 0.326 millivolts
102. Arc discharges in electrical machines
103. Distant stars
104. Transit-time noise
105. Impulse noise voltage is independent of bandwidth
106. Unchanged
107. Input noise voltage
108. Atmospheric noise
109. Thermal agitation
110. 906 K
111. 30 MHz
112. NPR
113. Thunderstorms
114. Impulse noise
115. All of these
116. pWp
117. 8 MHz to 1.43 GHz
118. 50 dB
119. 0.4 A
120. 0.4 A
121. 0.5 femtowatts
122. Noise
123. 10 dB
124. 14 dB
125. 6 dB
126. Noise improvement factor
127. 0.05 microvolts
128. 800 Hz
129. 0.56 dB
130. 5 dB
131. Quantizing level
132. 290 Kelvin
133. 15 to 160 MHz
134. All of these
135. 7 dB
136. The interfering effect of other frequencies in a voice channel compared with a reference frequency of one kilohertz
137. 6 dB
138. 63
139. 12 dBm
140. 96.6 fW
141. 6 nA
142. Noise density
143. 50 dBm
144. Decreased by ยฝ its value
145. 7 dB
146. Space noise
147. 129 K
148. Lightning
149. -104 dBm
150. 11 years
Online Questions and Answers Series
Following is the list of Practice Exam Test Questions in this brand new series:
Complete List of MCQs in Communications Engineering per topic
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