Physics (AS & A Level) · May / June 2022 · Paper 11 · Question 36
9702Kirchhoff’s laws
The sum of the currents entering a junction in an electrical circuit is always equal to the sum of the currents leaving the junction. Why is this?
- AIt is a consequence of the conservation of charge.
- BIt is a consequence of the conservation of electromotive force.
- CIt is a consequence of the conservation of energy.
- DIt is a consequence of the conservation of potential difference.
As printed in the paper
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Correct answer: A. It is a consequence of the conservation of charge.
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