Power factor and three-phaseQuestion 1404 of 1506

A load draws 30.0 kW of true power and 40 kVA of apparent power. What is the power factor?

  1. 0.750
  2. 0.250
  3. 0.661
  4. 1.33
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Correct answer: 0.750

PF = true power ÷ apparent power = 30.0 ÷ 40 = 0.750.

Source: Computed, 11.3: Calculating Power Factor

Practice power factor and three-phase

Questions last reviewed: 18 October 2026