Physics (AS & A Level) · Oct / Nov 2016 · Paper 13 · Question 34
9702Electric current
A thick copper wire is connected to a thin copper wire in series with a cell, as shown. What is significantly less in the thick wire than in the thin wire?
- Athe charge passing a point per unit time
- Bthe drift speed of the electrons
- Cthe number density of the free electrons
- Dthe number of free electrons passing a point per unit time
As printed in the paper
Show the answer
Correct answer: B. the drift speed of the electrons
Make a free account to save your answers and see your weak topics and ask the AI why a wrong answer is wrong.

