What power scenario has just occurred?

While working in an operations center late at night, Jill notices all of the computer screens flash and the lights dim for a second. The disruption lasts for only a moment or two and everything returns to normal. What power scenario has just occurred?

While working in an operations center late at night, Jill notices all of the computer screens flash and the lights dim for a second. The disruption lasts for only a moment or two and everything returns to normal. What power scenario has just occurred?

A.
Fault

B.
Brownout

C.
Lag

D.
Blackout

Explanation:
When power is disrupted for only a moment and normal supply returns
immediately, it is called a fault.



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atul

atul

Fault : Momentary loss of power
Blackout : A complete loss of power
Sag : Momentary low voltage
Brownout : Prolong low voltage
Spike : Momentary high voltage
Surge : Prolong high voltage
Inrush : Initial surge of power usually associated with connecting to a power source
Noise : a steady interference power disturbance or fluctuation
Transient: a short duration of line noise disturbance
Clean : nonfluctuating pure power
Ground : the wire is an electrical circuit that is grounded