Electrical Exam Term
Alternating Current (AC)
An electric current that periodically reverses direction, as opposed to direct current (DC) which flows in only one direction.
Detailed Explanation
AC is the standard form of electricity delivered to homes and businesses in the United States at 60 Hz. It is generated by power plants and transmitted over long distances efficiently. Most residential and commercial electrical systems operate on single-phase or three-phase AC power.
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Practice QuestionEasy
Which of the following best describes the concept of Alternating Current (AC)?
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