engineering physics MCQ #25

The power factor of an AC circuit is 0.5. The phase difference between voltage and current is

engineering physics MCQ #25

  1. Question 1

    Q1. The power factor of an AC circuit is 0.5. The phase difference between voltage and current is

    • A) π / 6
    • B) π / 3
    • C) π / 4
    • D) π / 2

    Answer: π / 3

    Explanation: Power factor = cos(φ), so cos(φ) = 0.5, hence φ = π / 3.