engineering physics MCQ #48

The power factor of a circuit containing only inductance is

engineering physics MCQ #48

  1. Question 1

    Q1. The power factor of a circuit containing only inductance is

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

    Answer: 0

    Explanation: In a purely inductive circuit, the current lags the voltage by π/2, so cos(π/2) = 0.