AC theoryQuestion 1462 of 1506

A coil has an inductance of 100 mH and is connected to a 60 Hz supply. What is its inductive reactance?

  1. 37700 Ω
  2. 237 Ω
  3. 37.7 Ω
  4. 6.00 Ω
Show answer

Correct answer: 37.7 Ω

XL = 2πfL = 2 × 3.1416 × 60 × 100 mH = 37.7 Ω.

Source: Computed, 3.2: AC Inductor Circuits

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Questions last reviewed: 18 October 2026