Two 12 Ω resistors are connected in series and then in parallel.
What is the combined resistance in each case?
Series: 12 Ω12\ \Omega12 Ω, Parallel: 6 Ω6\ \Omega6 Ω
Series: 24 Ω24\ \Omega24 Ω, Parallel: 6 Ω6\ \Omega6 Ω
Series: 24 Ω24\ \Omega24 Ω, Parallel: 12 Ω12\ \Omega12 Ω
Series: 12 Ω12\ \Omega12 Ω, Parallel: 3 Ω3\ \Omega3 Ω
52 exam-style questions on CIE IGCSE Physics 4.3.2a Series circuits. Each one has a worked solution and a mark scheme showing where the marks go.