Electrical mathQuestion 1499 of 1506

A load has an apparent power of 15 kVA and a power-triangle phase angle of 40 degrees. What is the reactive power?

9.64 kvar
12.6 kvar
23.3 kvar
11.5 kvar

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Correct answer: 9.64 kvar

Q = S × sin θ = 15 × sin 40° = 9.64 kvar. Q is the side opposite the angle.

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

Questions last reviewed: 18 October 2026

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