9702 · topic questions
Kirchhoff's laws
7 past-paper questions on Kirchhoff's laws
the time constant τ of the circuit in Fig. 6.1.
Practise the full question →The resistance of X is increased. The temperature of Y remains at 190°C. By reference to the current in the circuit, state and…
Practise the full question →Use Kirchhoff's laws to show that the total resistance R_T of the external circuit is given by 1/R_T = 1/R₁ + 1/R₂.
Practise the full question →Calculate I₁.
Practise the full question →Determine the current I₁.
Practise the full question →Calculate the p.d. across component X.
Practise the full question →the p.d. measured by the voltmeter.
Practise the full question →
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Kirchhoff's laws (9702) past-paper questions — marked instantly
These are real Cambridge Physics past-paper questions on Kirchhoff's laws. Open one, attempt it, then upload your working — MarkScheme grades it against the official 9702 mark scheme so you see exactly where the marks are won and lost on this topic.
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