An 8.0 Ω resistor and a 12 Ω resistor are connected in parallel. Which statement about the total resistance of this pair is correct?
It must be less than 8.0 Ω8.0\ \Omega8.0 Ω
It must lie between 8.0 Ω8.0\ \Omega8.0 Ω and 12 Ω12\ \Omega12 Ω
It must be exactly equal to 20 Ω20\ \Omega20 Ω
It must be greater than 12 Ω12\ \Omega12 Ω
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.