A-LevelPhysicsD.C. circuits9702/12 · Oct/Nov 2024 · Q361 Mark

Each of Kirchhoff's laws is a statement based on the conservation of a physical quantity. Which quantity is conserved in each law?

AKirchhoff's first law: charge, Kirchhoff's second law: energy

BKirchhoff's first law: energy, Kirchhoff's second law: current

CKirchhoff's first law: power, Kirchhoff's second law: charge

DKirchhoff's first law: resistance, Kirchhoff's second law: power

✓ Correct answer

A: Kirchhoff's first law: charge, Kirchhoff's second law: energy

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Topic: D.C. circuits, A-Level Physics (syllabus 9702). Multiple choice, 1 mark.
Source: A-Level Physics, Oct/Nov 2024 Paper 1 Variant 2, question 36.

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