Power factor and three-phaseQuestion 1152 of 1506

A motor draws 10 A from a 240 V single-phase supply. What is its apparent power?

  1. 240 VA
  2. 24 kW
  3. 2400 VA
  4. 1200 VA
Show answer

Correct answer: 2400 VA

S = V x I = 240 V x 10 A = 2400 VA.

Source: Lessons in Electric Circuits II: AC (Kuphaldt), 11.2: True, Reactive, and Apparent Power

Practice power factor and three-phase

Questions last reviewed: 18 October 2026