Physics (AS & A Level) · May / June 2016 · Paper 13 · Question 37
Two identical batteries each have e.m.f. 6.0 V and internal resistance r. The batteries are connected to an external resistor of resistance 11 Ω, as shown. The current in the external resistor is 0.50 A. What is the internal resistance r of each battery?
- A1.0 Ω
- B2.0 Ω
- C4.0 Ω
- D6.5 Ω
As printed in the paper
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Correct answer: B. 2.0 Ω
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