Two different metal heating elements each carry a steady current of 4.0 A. Which conclusion can be made about the charge passing through the elements?
the same potential difference is across each element
the same total number of electrons is present in both elements
the electrons move at the same speed in both elements
the same number of electrons pass a point in each element in equal times
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.