Power factor and three-phaseQuestion 493 of 1506

A load draws 6 kW of true power and 8 kvar of reactive power. What is the apparent power?

  1. 14 kVA
  2. 10 kVA
  3. 2 kVA
  4. 48 kVA
Show answer

Correct answer: 10 kVA

S = sqrt(6^2 + 8^2) = sqrt(100) = 10 kVA.

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