engineering physics MCQ #292

The peak voltage of an AC supply is 300 V. What is the rms voltage?

engineering physics MCQ #292

  1. Question 1

    Q1. The peak voltage of an AC supply is 300 V. What is the rms voltage?

    • A) 300 V
    • B) 212.1 V
    • C) 150 V
    • D) 424.2 V

    Answer: 212.1 V

    Explanation: Vrms = Vpeak / √2 = 300 / √2 = 212.1 V.