Physics (AS & A Level) · May / June 2016 · Paper 12 · Question 37

In the circuit shown, contact may be made at any point along the 3 Ω resistor (potentiometer). The battery has e.m.f. 9 V and negligible internal resistance. What is the maximum range of the output voltage?

1. A0–2 V
2. B0–5 V
3. C2–3 V
4. D2–5 V

As printed in the paper