MDCAT Physics MCQ #1229

The input resistance of an ideal operational amplifier is

MDCAT Physics MCQ #1229

  1. Question 1

    Q1. The input resistance of an ideal operational amplifier is

    • A) zero
    • B) very low
    • C) very high
    • D) infinite

    Answer: infinite

    Explanation: Ideal op-amp has infinite input resistance. Real op-amps have very high input resistance.