A-LevelPhysicsD.C. circuits9702/12 · May/June 2024 · Q341 Mark

Which description of Kirchhoff's first law is correct?

AIt considers the currents at a junction in a circuit and is a consequence of the conservation of charge.

BIt considers the currents at a junction in a circuit and is a consequence of the conservation of energy.

CIt considers the electromotive forces and potential differences in a circuit loop and is a consequence of the conservation of charge.

DIt considers the electromotive forces and potential differences in a circuit loop and is a consequence of the conservation of energy.

✓ Correct answer

A: It considers the currents at a junction in a circuit and is a consequence of the conservation of charge.

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Topic: D.C. circuits, A-Level Physics (syllabus 9702). Multiple choice, 1 mark.
Source: A-Level Physics, May/June 2024 Paper 1 Variant 2, question 34.

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