AC theoryQuestion 497 of 1506

Two vectors point in opposite directions. How are they added?

  1. Subtract them; the larger one sets the direction
  2. Add them arithmetically
  3. Multiply them
  4. Add them and halve the result
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Correct answer: Subtract them; the larger one sets the direction

The resultant takes the direction of the greater vector.

Source: Trigonometry and Single Phase AC Generation for Electricians (Flinn), 2.1: A Vector Primer

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Questions last reviewed: 18 October 2026