MDCAT Physics MCQ #84

Why does a capacitor in an AC circuit continuously charge and discharge?

MDCAT Physics MCQ #84

  1. Question 1

    Q1. Why does a capacitor in an AC circuit continuously charge and discharge?

    • A) Electric field opposes current flow
    • B) Dielectric material stores permanent charge
    • C) Alternating voltage reverses polarity
    • D) Capacitor resists voltage changes

    Answer: Alternating voltage reverses polarity

    Explanation: AC voltage reversal forces capacitor to repeatedly charge/discharge. Option D describes inductor behavior.