engineering physics MCQ #221

A coil has inductive reactance 50 Ω at 50 Hz. Find inductance.

engineering physics MCQ #221

  1. Question 1

    Q1. A coil has inductive reactance 50 Ω at 50 Hz. Find inductance.

    • A) 0.1 H
    • B) 0.2 H
    • C) 0.159 H
    • D) 0.5 H

    Answer: 0.159 H

    Explanation: Use Xl = 2πfL, where f = 50 Hz and Xl = 50 Ω. So, L = Xl / (2πf) = 50 / (2π * 50) = 0.159 H.