A dynamo is an electrical generator that produces a current. When a magnet in a dynamo spins, an emf is induced in the coil. If the coil is connected to a lamp, the lamp lights because the emf forces a current round the circuit. The direction of the current is given by Fleming's Right Hand Rule.
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Specification: Edexcel Physics (9PH0), A-level, Topic 7: Electric and Magnetic Fields, statements 124 and 125. Topic: Electromagnetic Induction.
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All 12 lessons in Electromagnetic Induction · All Edexcel A-level Physics topics