engineering physics MCQ #223

Power factor of a series LCR circuit at resonance is

engineering physics MCQ #223

  1. Question 1

    Q1. Power factor of a series LCR circuit at resonance is

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

    Answer: 1

    Explanation: At resonance, the circuit is purely resistive, so power factor = 1.