The north pole of a magnet is above a horizontal wire and the south pole is below it. Electrons move from right to left along the wire. What is the direction of the magnetic force on the wire?
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86 exam-style questions on Edexcel GCSE Physics 12.3 The motor effect, covering 12.3.1 The motor effect, 12.3.2 Fleming's left-hand rule, 12.3.3 Force on a conductor, and 12.3.4 Electric motors. Each one has a worked solution and a mark scheme showing where the marks go.