Physics (AS & A Level) · May / June 2023 · Paper 13 · Question 31
9702Kirchhoff’s laws
Two resistors of resistances R and 2R are connected in parallel with a battery of electromotive force (e.m.f.) 12 V and negligible internal resistance. The total power dissipated by the two resistors is 36 W. What is the value of R?
- A0.50 Ω
- B2.7 Ω
- C4.0 Ω
- D6.0 Ω
As printed in the paper
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Correct answer: D. 6.0 Ω
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