MCQs in Noise Part III – Answers

(Last Updated On: December 8, 2017)

Answers in Noise - MCQs Part III

Below are the answers key for the Multiple Choice Questions in Noise – MCQs 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 ½ 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:

Noise MCQs
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

Complete List of MCQs in Communications Engineering per topic

MCQs in Noise Part III – Answers
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