A student wants to measure the potential difference across lamp P. P is connected between points X and Y. Lamp Q is connected between points Y and Z.
Which arrangement measures the potential difference across P only?
an ammeter connected between X and Y
a voltmeter connected between X and Y
a voltmeter connected between X and Z
an ammeter connected between Y and Z
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.