Physics (AS & A Level) · May / June 2018 · Paper 13 · Question 35
9702Kirchhoff’s laws
The diagram shows a network of three resistors. Two of these, marked R, are identical. The other resistor has a resistance of 5.0 Ω. The resistance between Y and Z is found to be 2.5 Ω. What is the resistance between X and Y?
- A0.30 Ω
- B0.53 Ω
- C1.9 Ω
- D3.3 Ω
As printed in the paper
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Correct answer: C. 1.9 Ω
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