The type of current that only flows in one direction is __________.

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Prepare for the MSSC Maintenance Awareness Test. Study with flashcards and multiple choice questions. Get ready for your exam with hints and detailed explanations!

Multiple Choice

The type of current that only flows in one direction is __________.

Explanation:
Direct current is the type of current that flows in the same direction through a circuit. Its polarity stays fixed, so electrons move steadily from the source to the load without reversing direction. Alternating current, by contrast, changes direction periodically. There are terms like pulsating current or ripple that describe DC with fluctuations in magnitude, or small AC components on top of DC, but the defining idea remains that the direction does not reverse. So the current that only flows in one direction is direct current (DC).

Direct current is the type of current that flows in the same direction through a circuit. Its polarity stays fixed, so electrons move steadily from the source to the load without reversing direction. Alternating current, by contrast, changes direction periodically. There are terms like pulsating current or ripple that describe DC with fluctuations in magnitude, or small AC components on top of DC, but the defining idea remains that the direction does not reverse. So the current that only flows in one direction is direct current (DC).

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