engineering physics MCQ #178

In an AC circuit, the current lags behind the voltage by π/3. The power factor is

engineering physics MCQ #178

  1. Question 1

    Q1. In an AC circuit, the current lags behind the voltage by π/3. The power factor is

    • A) 0.5
    • B) 0.866
    • C) 1
    • D) -0.5

    Answer: 0.5

    Explanation: Power factor = cos(φ), where φ is the phase difference between voltage and current.