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Physics (AS & A Level) · Oct / Nov 2022 · Paper 13 · Question 35

9702Kirchhoff’s laws

Each of Kirchhoff's laws is linked to the conservation of a physical quantity. Which conserved physical quantities are used in the derivation of Kirchhoff's first law and of Kirchhoff's second law?

  1. Aenergy; charge
  2. Benergy; momentum
  3. Ccharge; energy
  4. Dmomentum; energy

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Correct answer: C. charge; energy

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