engineering physics MCQ #59

The voltage across a resistor is given by V = 100 sin(50πt). The rms voltage is

engineering physics MCQ #59

  1. Question 1

    Q1. The voltage across a resistor is given by V = 100 sin(50πt). The rms voltage is

    • A) 70.7 V
    • B) 100 V
    • C) 50 V
    • D) 200 V

    Answer: 70.7 V

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