The direction of the current in a solenoid is reversed. What happens to the magnetic field of the solenoid?
The field keeps the same direction but becomes stronger than before
The field keeps the same direction but becomes weaker than before
The field disappears completely until the current is reversed again
The north and south poles of the solenoid swap ends with each other
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.