engineering physics MCQ #127

The voltage across a resistor is given by V = 100 sin(100πt). What is the rms voltage?

engineering physics MCQ #127

  1. Question 1

    Q1. The voltage across a resistor is given by V = 100 sin(100πt). What is the rms voltage?

    • A) 70.7 V
    • B) 100 V
    • C) 50 V
    • D) 141.4 V

    Answer: 70.7 V

    Explanation: Vrms = V0 / √2 = 100 / √2 = 70.7 V.