Describe two differences between a series circuit and a parallel circuit.
A string of decorative lights contains 20 identical lamps connected in series with a 240 V supply. Calculate the potential difference across each lamp.
Suggest one reason why the lamps are connected in series rather than in parallel.
Suggest one disadvantage of connecting the lamps in series.
38 exam-style questions on AQA GCSE Physics 2.2 Series and parallel circuits, covering 2.2 Series and parallel circuits. Each one has a worked solution and a mark scheme showing where the marks go.