MDCAT Physics MCQ #507

Kirchhoff’s voltage law applies to junctions while his current law applies to loops. What principle underlies this distinction?

MDCAT Physics MCQ #507

  1. Question 1

    Q1. Kirchhoff’s voltage law applies to junctions while his current law applies to loops. What principle underlies this distinction?

    • A) Conservation of charge in junctions
    • B) Conservation of energy in junctions
    • C) Conservation of momentum in loops
    • D) Conservation of mass in loops

    Answer: Conservation of charge in junctions

    Explanation: Voltage law tracks energy conservation. Current law tracks charge conservation at nodes. Confusion arises from labels.