Physics (AS & A Level) · Oct / Nov 2024 · Paper 12 · Question 35
9702Kirchhoff’s laws
Three resistors are connected to a cell of negligible internal resistance. Which circuit has a combined resistance of 100 Ω?
- ACircuit A: 100 Ω and 100 Ω in parallel, in series with 50 Ω
- BCircuit B: 50 Ω and 100 Ω in parallel, in series with 100 Ω
- CCircuit C: 100 Ω, 100 Ω and 50 Ω in parallel
- DCircuit D: 100 Ω, 100 Ω and 50 Ω in series
As printed in the paper
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Correct answer: B. Circuit B: 50 Ω and 100 Ω in parallel, in series with 100 Ω
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