Physics (AS & A Level) · Oct / Nov 2019 · Paper 11 · Question 30

A metal plate of uniform thickness is connected to a cell as shown. Electrons move clockwise around the circuit. Which statement about the metal plate is correct?

1. AThe average drift speed of the conduction electrons decreases as they move from right to left through the plate.
2. BThe average drift speed of the conduction electrons increases as they move from right to left through the plate.
3. CThe number density of the conduction electrons decreases from right to left through the plate.
4. DThe number density of the conduction electrons increases from right to left through the plate.

As printed in the paper