MDCAT Physics MCQ #549

Superconductors allow zero resistance because:

MDCAT Physics MCQ #549

  1. Question 1

    Q1. Superconductors allow zero resistance because:

    • A) Electrons move at light speed
    • B) Electron pairs form coherent flow
    • C) Atoms vibrate rapidly
    • D) They have negative charge density

    Answer: Electron pairs form coherent flow

    Explanation: Cooper pairs prevent scattering. Option A confuses speed with resistance mechanism.