Physics (AS & A Level) · Oct / Nov 2022 · Paper 13 · Question 34
A voltmeter reads 9.000 V when it is connected across the terminals of a battery. When a resistor of resistance 11.0 Ω is connected in parallel with the battery, the voltmeter reading changes to 8.800 V. What is the internal resistance of the battery?
- A0.244 Ω
- B0.250 Ω
- C10.8 Ω
- D11.3 Ω
As printed in the paper
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Correct answer: B. 0.250 Ω
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