Power factor and three-phaseQuestion 1386 of 1506

A single-phase load draws 30 A from a 240 V supply. What is the apparent power?

  1. 7.20 kVA
  2. 12.5 kVA
  3. 4.16 kVA
  4. 0.720 kVA
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Correct answer: 7.20 kVA

S = V × I = 240 V × 30 A = 7200 VA = 7.20 kVA.

Source: Computed, 11.2: True, Reactive, and Apparent Power

Practice power factor and three-phase

Questions last reviewed: 18 October 2026