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T5A09:Which of the following describes alternating current?

T5A09T5A

Which of the following describes alternating current?

Direct answer summary (2026-2030 NCVEC pool)

The official correct answer for T5A09 is Current that alternates between positive and negative directions.

The key fact is Current that alternates between positive and negative directions. Match that fact to the exact condition in the question; the other choices describe a different rule, band, component, or operating situation.

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More questions in T5A

T5A01Electrical current is measured in which of the following units?T5A02Electrical power is measured in which of the following units?T5A03What is the term for the flow of electrons in an electric circuit?T5A04What term describes the number of times per second that an alternating current makes a complete cycle?T5A05A difference in which of the following causes electron flow?T5A06What is the unit of frequency?