What is the combined resistance of a 4.0 Ω resistor and a 12.0 Ω resistor connected in parallel?
3.0 Ω3.0\ \Omega3.0 Ω
8.0 Ω8.0\ \Omega8.0 Ω
16 Ω16\ \Omega16 Ω
48 Ω48\ \Omega48 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.