Physics (AS & A Level) · Feb / March 2016 · Paper 12 · Question 30

An electrical conductor has a resistance of 5.6 kΩ. A potential difference (p.d.) of 9.0 V is applied across its ends. How many electrons pass a point in the conductor in one minute?

1. A6.0 × 10²⁰
2. B1.0 × 10¹⁹
3. C6.0 × 10¹⁷
4. D1.0 × 10¹⁶

As printed in the paper