Two resistors are connected in series with a 9.0 V battery. The current in the circuit is 0.25 A. One of the resistors has a resistance of 20 Ω. What is the resistance of the other resistor?
5.0 Ω5.0\ \Omega5.0 Ω
16 Ω16\ \Omega16 Ω
20 Ω20\ \Omega20 Ω
36 Ω36\ \Omega36 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.