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CEDIA ESPA EST Practice Test

Category - DHTI

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Which of the following refers to an under-voltage event?

Brownout
Blackout
Power surge
Line noise

Explanation

Answer - A - A brownout is an under-voltage event.

Key Takeaway: Brownouts occur when there is a sudden dip in the power line voltage. It is extremely common during periods of heavy load on the electrical system. This reduced voltage level causes many devices to run slower than normal or malfunction.

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