A filament lamp is connected to a battery.
The potential difference across the lamp is 9.0 V.
Which of these is equivalent to a potential difference of 9.0 V?
9.0 joules per ohm9.0\text{ joules per ohm}9.0 joules per ohm
9.0 amps per coulomb9.0\text{ amps per coulomb}9.0 amps per coulomb
9.0 joules per coulomb9.0\text{ joules per coulomb}9.0 joules per coulomb
9.0 amps per ohm9.0\text{ amps per ohm}9.0 amps per ohm
32 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.