engineering physics MCQ #161

The current in an AC circuit is given by I = 2 sin(100πt). What is the frequency?

engineering physics MCQ #161

  1. Question 1

    Q1. The current in an AC circuit is given by I = 2 sin(100πt). What is the frequency?

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

    Answer: 50 Hz

    Explanation: Compare with I = I0 sin(2πft): 2πf = 100π, so f = 50 Hz.