engineering physics MCQ #239

A series LCR circuit is in resonance. What is the power factor?

engineering physics MCQ #239

  1. Question 1

    Q1. A series LCR circuit is in resonance. What is the power factor?

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

    Answer: 1

    Explanation: At resonance, the circuit behaves like a resistive circuit, so power factor = cos(0°) = 1.