Power factor and three-phaseQuestion 1403 of 1506

A load draws 7.8 kW of true power and 12 kVA of apparent power. What is the power factor?

  1. 0.760
  2. 0.350
  3. 0.650
  4. 1.54
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Correct answer: 0.650

PF = true power ÷ apparent power = 7.8 ÷ 12 = 0.650.

Source: Computed, 11.3: Calculating Power Factor

Practice power factor and three-phase

Questions last reviewed: 18 October 2026