engineering physics MCQ #86

The power factor of an LCR circuit at resonance is

engineering physics MCQ #86

  1. Question 1

    Q1. The power factor of an LCR circuit at resonance is

    • A) 0
    • B) 0.5
    • C) 1
    • D) -1

    Answer: 1

    Explanation: At resonance, X_L = X_C, so Z = R and power factor = R / Z = 1.