engineering physics MCQ #38

The rms voltage across a resistor is 100 V. The peak voltage is

engineering physics MCQ #38

  1. Question 1

    Q1. The rms voltage across a resistor is 100 V. The peak voltage is

    • A) 100 V
    • B) 141.4 V
    • C) 200 V
    • D) 70.7 V

    Answer: 141.4 V

    Explanation: Vrms = V0 / √2, so V0 = Vrms * √2 = 100 * √2 = 141.4 V.