AC theoryQuestion 499 of 1506

In which direction do alternating voltage and current vectors rotate?

  1. Counterclockwise
  2. Clockwise
  3. Up and down only
  4. They do not rotate
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Correct answer: Counterclockwise

Vectors rotate counterclockwise from the point of origin.

Source: Trigonometry and Single Phase AC Generation for Electricians (Flinn), 2.2: Quadrants

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Questions last reviewed: 18 October 2026