engineering physics MCQ #50

The current in an AC circuit is given by I = 5 sin(100t - π/4). The rms value is

engineering physics MCQ #50

  1. Question 1

    Q1. The current in an AC circuit is given by I = 5 sin(100t - π/4). The rms value is

    • A) 5/√2 A
    • B) 5√2 A
    • C) 5 A
    • D) 2.5 A

    Answer: 5/√2 A

    Explanation: Irms = I0/√2 = 5/√2 A.