Power factor and three-phaseQuestion 494 of 1506

Which name is also used for reactive power?

  1. True power
  2. Wattless or quadrature power
  3. Active power
  4. Heat power
Show answer

Correct answer: Wattless or quadrature power

Reactive power does no real work.

Source: Trigonometry and Single Phase AC Generation for Electricians (Flinn), 1.6: Power and Impedance Triangles

Practice power factor and three-phase

Questions last reviewed: 18 October 2026