engineering physics MCQ #118

The phase angle between voltage and current in an AC circuit is 30°. What is its power factor?

engineering physics MCQ #118

  1. Question 1

    Q1. The phase angle between voltage and current in an AC circuit is 30°. What is its power factor?

    • A) 0.5
    • B) 0.707
    • C) 0.866
    • D) 1

    Answer: 0.866

    Explanation: Power factor = cos(φ) = cos(30°) = 0.866