MDCAT Physics MCQ #556

If a resistor's temperature rises, its resistance increases because:

MDCAT Physics MCQ #556

  1. Question 1

    Q1. If a resistor's temperature rises, its resistance increases because:

    • A) Atoms vibrate more
    • B) Resistivity becomes zero
    • C) Electrons become heavier
    • D) Voltage increases

    Answer: Atoms vibrate more

    Explanation: Lattice vibrations impede electron flow. Option B describes superconductivity.