MDCAT Physics MCQ #429

Kirchhoff's first rule is based on the conservation of

MDCAT Physics MCQ #429

  1. Question 1

    Q1. Kirchhoff's first rule is based on the conservation of

    • A) Energy
    • B) Charge
    • C) Momentum
    • D) Mass

    Answer: Charge

    Explanation: Kirchhoff's first rule (junction rule) states that the sum of currents entering a junction equals the sum leaving, conserving charge.