MDCAT Physics MCQ #550

Current in metals vs. electrolytes differs in that:

MDCAT Physics MCQ #550

  1. Question 1

    Q1. Current in metals vs. electrolytes differs in that:

    • A) Only metals have negative charges
    • B) Electrolytes carry current via ion movement
    • C) Metals require higher voltage
    • D) Electrolytes conduct DC but not AC

    Answer: Electrolytes carry current via ion movement

    Explanation: Electrolytes use ions while metals use electrons. Option A ignores electrolyte electrons.