MDCAT Physics MCQ #973

The force per unit length between two parallel current-carrying wires is given by which law?

MDCAT Physics MCQ #973

  1. Question 1

    Q1. The force per unit length between two parallel current-carrying wires is given by which law?

    • A) Ampere's law
    • B) Biot-Savart law
    • C) Lorentz force law
    • D) Ohm's law

    Answer: Ampere's law

    Explanation: Ampere's law gives the force between two current-carrying wires. Biot-Savart law gives the magnetic field due to a current element.