engineering physics MCQ #183

The power factor of a series LCR circuit is 0.8. The phase difference between voltage and current is

engineering physics MCQ #183

  1. Question 1

    Q1. The power factor of a series LCR circuit is 0.8. The phase difference between voltage and current is

    • A) 36.87°
    • B) 53.13°
    • C) 0°
    • D) 90°

    Answer: 36.87°

    Explanation: Power factor = cos(φ), so φ = cos^(-1)(0.8).