Question

what is alternating current?​

Answer 1

Answer:

Alternating current, abbreviation AC, flow of electric charge that periodically reverses. It starts, say, from zero, grows to a maximum, decreases to zero, reverses, reaches a maximum in the opposite direction, returns again to the original value, and repeats this cycle indefinitely.

Explanation:

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Answer 2

Answer:

an electric current that reverses its direction many times a second at regular intervals, typically used in power supplies

Explanation:

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