Physics (AS & A Level) · May / June 2016 · Paper 11 · Question 34
In the circuit shown, X is a variable resistor whose resistance can be changed from 5.0 Ω to 500 Ω. The e.m.f. of the battery is 12.0 V. It has negligible internal resistance. What is the maximum range of values of potential difference across the output?
- A1.3 V to 11.1 V
- B1.3 V to 12.0 V
- C1.5 V to 11.1 V
- D1.5 V to 12.0 V
As printed in the paper
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Correct answer: A. 1.3 V to 11.1 V
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