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Get Wired 102 Introduction To The Basic Installation Of Lighting Fixtures And Branch Circuits Practice Test

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Transients are ___.
Correct Answer:
Short duration disturbances on electrical lines
Explanation:
Transients are brief disturbances in the electrical supply, lasting only a short time (typically milliseconds or a few cycles of 60 Hz) before the voltage and current return to normal. They happen when equipment switches on or off, during faults, or due to events like lightning. Because they are short-lived, they are described as short duration disturbances on electrical lines. A voltage surge is a common type of transient, but the key idea is the very brief nature of the disturbance. Oscillating noise, by contrast, implies a continuing or repeating irregular signal, not a single brief event.

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