engineering physics MCQ #148

A 100 Ω resistor is connected to an AC source of voltage 100 V and frequency 50 Hz. The power consumed is

engineering physics MCQ #148

  1. Question 1

    Q1. A 100 Ω resistor is connected to an AC source of voltage 100 V and frequency 50 Hz. The power consumed is

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

    Answer: 100 W

    Explanation: P = V_rms²/R = (100²)/100 = 100 W