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An alternating current consists of charges that

move back and forth in a circuit.

flow in one direction in some devices and change direction in others.

turn on and off repeatedly.

flow in one direction only.

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sbcardinals
An alternating current consists of charges that move back and forth in a circuit.

The term "alternating" means to go back and forth, so we can see that current that is alternating contains charges that go back and forth in a circuit.

Answer:

move back and forth in a circuit.

Explanation:

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