engineering physics MCQ #54

The wattless current in an AC circuit is

engineering physics MCQ #54

  1. Question 1

    Q1. The wattless current in an AC circuit is

    • A) Irms * cosφ
    • B) Irms * sinφ
    • C) Irms
    • D) 0

    Answer: Irms * sinφ

    Explanation: Wattless current = Irms * sinφ, as it does not contribute to power dissipation.