Electrical mathQuestion 960 of 1506

What is the capacitive reactance of a 50 µF capacitor at 60 Hz? (XC = 1/(2πfC))

26.5 ohms
53.1 ohms
106 ohms
0.0188 ohms

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Correct answer: 53.1 ohms

XC = 1/(2π × 60 × 0.000050) = 1/0.01885 = 53.1 ohms.

Source: Lessons in Electric Circuits II: AC (Kuphaldt), 4.2: AC Capacitor Circuits

Questions last reviewed: 18 October 2026

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