A-LevelPhysicsD.C. circuits9702/12 · Oct/Nov 2011 · Q361 Mark

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

Aenergy, charge

Benergy, momentum

Ccharge, energy

Dmomentum, energy

✓ Correct answer

C: charge, energy

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Topic: D.C. circuits, A-Level Physics (syllabus 9702). Multiple choice, 1 mark.
Source: A-Level Physics, Oct/Nov 2011 Paper 1 Variant 2, question 36.

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