A testing circuit contains three resistors of resistance 15 Ω, 20 Ω and 25 Ω connected in series with a d.c. supply. The current in the circuit is 0.40 A.
Calculate the potential difference of the supply.
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Markscheme
2.2 Series and parallel circuits Questions
94 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.