MDCAT Physics MCQ #12

The rms value of a sinusoidally varying quantity is

MDCAT Physics MCQ #12

  1. Question 1

    Q1. The rms value of a sinusoidally varying quantity is

    • A) 1/√2 times its peak value
    • B) 1/2 times its peak value
    • C) Equal to its peak value
    • D) √2 times its peak value

    Answer: 1/√2 times its peak value

    Explanation: For a sinusoidal quantity, rms = peak / √2; '1/2 times its peak value' is incorrect, it's 1/√2.