engineering physics MCQ #188

A 50 Ω resistor is connected to an AC source with V = 100 sin(50πt) V. Find the rms current.

engineering physics MCQ #188

  1. Question 1

    Q1. A 50 Ω resistor is connected to an AC source with V = 100 sin(50πt) V. Find the rms current.

    • A) 1 A
    • B) √2 A
    • C) 2 A
    • D) 1 / √2 A

    Answer: 1 / √2 A

    Explanation: Vrms = V0 / √2 = 100 / √2; Irms = Vrms / R = (100 / √2) / 50 = 1 / √2 A.