The magnetic field outside a solenoid carrying a current has a similar shape to the field around which object?
A single long straight wire carrying a steady current
A bar magnet with a north pole and a south pole at its ends
An iron bar that has not been magnetised in any way at all
A flat circular loop of wire that is carrying no current at all
39 exam-style questions on AQA GCSE Physics 7.2 The motor effect, covering 7.2.1 Electromagnetism, 7.2.2 Fleming's left-hand rule (HT only), 7.2.3 Electric motors (HT only), and 7.2.4 Loudspeakers (HT only). Each one has a worked solution and a mark scheme showing where the marks go.