engineering physics MCQ #224

A 100 ohm resistor is connected to a 220V, 50Hz AC supply. What is the rms current?

engineering physics MCQ #224

  1. Question 1

    Q1. A 100 ohm resistor is connected to a 220V, 50Hz AC supply. What is the rms current?

    • A) 1.1 A
    • B) 2.2 A
    • C) 3.3 A
    • D) 4.4 A

    Answer: 2.2 A

    Explanation: Using Ohm's law, Irms = Vrms / R = 220 / 100 = 2.2 A.