An electrolyte containing triply-charged ions flows to give an electric current of 0.36 A. How many ions pass a point in 2.0 minutes2.0\text{ minutes}2.0 minutes?
1.5×10181.5 \times 10^{18}1.5×1018
9.0×10199.0 \times 10^{19}9.0×1019
2.7×10202.7 \times 10^{20}2.7×1020
8.1×10208.1 \times 10^{20}8.1×1020
37 exam-style questions on AQA A Level Physics Current electricity, covering Basics of electricity, Current-voltage characteristics, Resistivity, Circuits, Potential divider, and Electromotive force and internal resistance. Each one has a worked solution and a mark scheme showing where the marks go.