Multiple Choice
In an electrical system, "phases" refers to:
A) the rate at which an alternating-current power supply alternates the direction of the current flow.
B) the number of energized or "hot" wires in the electrical supply.
C) how often the system experiences momentary voltage sags and surges.
D) how electricity is metered.
Correct Answer:
Verified
Correct Answer:
Verified
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