engineering physics MCQ #121

The voltage across an inductor is given by V = 200 sin(100πt). What is the frequency of the AC source?

engineering physics MCQ #121

  1. Question 1

    Q1. The voltage across an inductor is given by V = 200 sin(100πt). What is the frequency of the AC source?

    • A) 50 Hz
    • B) 100 Hz
    • C) 25 Hz
    • D) 200 Hz

    Answer: 50 Hz

    Explanation: ω = 2πf = 100π. So, f = 100π / (2π) = 50 Hz.