engineering physics MCQ #264

The inductive reactance of a coil is 100 Ω at 50 Hz. What is its inductance?

engineering physics MCQ #264

  1. Question 1

    Q1. The inductive reactance of a coil is 100 Ω at 50 Hz. What is its inductance?

    • A) 0.1 / π H
    • B) 0.2 / π H
    • C) 1 / π H
    • D) 2 / π H

    Answer: 1 / π H

    Explanation: The inductive reactance XL = 2πfL, so L = XL / (2πf) = 100 / (2π * 50) = 1 / π H.