engineering physics MCQ #154

The power factor of an LCR circuit is 0.8. What is the phase angle?

engineering physics MCQ #154

  1. Question 1

    Q1. The power factor of an LCR circuit is 0.8. What is the phase angle?

    • A) 36.87°
    • B) 53.13°
    • C) 60°
    • D) 90°

    Answer: 36.87°

    Explanation: Use cos(φ) = power factor: φ = cos^-1(0.8) = 36.87°.