Electrical mathQuestion 930 of 1506

What is the inductive reactance of a 0.2 H inductor on a 60 Hz supply?

  1. 12 Ω
  2. 75.4 Ω
  3. 150.8 Ω
  4. 1.26 Ω
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Correct answer: 75.4 Ω

XL = 2πfL = 2 × 3.1416 × 60 × 0.2 = 75.4 Ω.

Source: Lessons in Electric Circuits II: AC (Kuphaldt), 3.2: AC Inductor Circuits

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Questions last reviewed: 18 October 2026