engineering physics MCQ #160

An AC source of 200 V, 50 Hz is connected to a 100 Ω resistor. What is the average power dissipated?

engineering physics MCQ #160

  1. Question 1

    Q1. An AC source of 200 V, 50 Hz is connected to a 100 Ω resistor. What is the average power dissipated?

    • A) 200 W
    • B) 400 W
    • C) 100 W
    • D) 50 W

    Answer: 400 W

    Explanation: Use P = Vrms² / R: P = (200)² / 100 = 400 W.