Power factor and three-phaseQuestion 1406 of 1506

A load draws 16.5 kW of true power and 30 kVA of apparent power. What is the power factor?

  1. 0.355
  2. 1.82
  3. 0.450
  4. 0.550
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Correct answer: 0.550

PF = true power ÷ apparent power = 16.5 ÷ 30 = 0.550.

Source: Computed, 11.3: Calculating Power Factor

Practice power factor and three-phase

Questions last reviewed: 18 October 2026