MDCAT Physics MCQ #427

The resistance of a wire is inversely proportional to its

MDCAT Physics MCQ #427

  1. Question 1

    Q1. The resistance of a wire is inversely proportional to its

    • A) Length
    • B) Cross-sectional area
    • C) Resistivity
    • D) Temperature

    Answer: Cross-sectional area

    Explanation: R = ρL/A, so R ∝ 1/A, resistivity is a material property, not a geometric factor.