During an electrolysis experiment, a steady current of 0.35 A passes through the solution until 84 C of charge has passed.
How long does this take?
240 min240\ \mathrm{min}240 min
4.0 min4.0\ \mathrm{min}4.0 min
0.0042 min0.0042\ \mathrm{min}0.0042 min
29 min29\ \mathrm{min}29 min
94 exam-style questions on Edexcel GCSE Physics 10.1 Circuits, charge and current, covering 10.1.1 Structure of the atom, 10.1.2 Circuit diagrams and symbols, 10.1.3 Series and parallel circuits, 10.1.4 Potential difference and voltmeters, 10.1.5 Energy transferred, charge and potential difference, and 10.1.6 Current, ammeters and charge flow. Each one has a worked solution and a mark scheme showing where the marks go.