engineering physics MCQ #111

The current in an AC circuit is given by I = 5 sin(100πt). What is its frequency?

engineering physics MCQ #111

  1. Question 1

    Q1. The current in an AC circuit is given by I = 5 sin(100πt). What is its frequency?

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

    Answer: 50 Hz

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