AC theoryQuestion 1461 of 1506

A coil has an inductance of 200 mH and is connected to a 60 Hz supply. What is its inductive reactance?

  1. 0.0133 Ω
  2. 75.4 Ω
  3. 24.0 Ω
  4. 12.0 Ω
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Correct answer: 75.4 Ω

XL = 2πfL = 2 × 3.1416 × 60 × 200 mH = 75.4 Ω.

Source: Computed, 3.2: AC Inductor Circuits

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Questions last reviewed: 18 October 2026