Explanation: In any electronics system, noise can come from many external sources as a result of circuitry itself. 3. Which among the following is not a source of internal noise?
A. AC random voltages generated within conductors
B. Lightning
C. Switching of circuits
D. None of the mentioned
Answer:A
Explanation: In any electronics system, noise can come from many external sources as a result of circuitry itself. 3. Which among the following is not a source of internal noise?
A. AC random voltages generated within conductors B. Lightning C. Switching of circuits D. None of the mentioned
Explanation: Except lightning the remaining are self induced or internal noises. Lightning is a natural phenomenon of external noise source. 4. The type of noise phenomena that increases with increase in temperature is