engineering physics MCQ #220

An AC source is connected to a series LCR circuit. At resonance, power factor is

engineering physics MCQ #220

  1. Question 1

    Q1. An AC source is connected to a series LCR circuit. At resonance, power factor is

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

    Answer: 1

    Explanation: At resonance, the circuit behaves like a purely resistive circuit, so power factor = 1.