MDCAT Physics MCQ #525

How does the drift velocity of electrons in copper compare to aluminum under same electric field?

MDCAT Physics MCQ #525

  1. Question 1

    Q1. How does the drift velocity of electrons in copper compare to aluminum under same electric field?

    • A) Copper has higher drift velocity
    • B) Aluminum has higher drift velocity
    • C) Both have equal drift velocity
    • D) Depends on wire length

    Answer: Aluminum has higher drift velocity

    Explanation: Aluminum's higher conductivity increases drift velocity. Option A ignores charge carrier density.