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Bar magnets - BBC
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Bar magnets - BBC
Website URL:
http://www.bbc.co.uk/bitesize/ks3/science/energy_electricity_forces/magnets_electric_effects/revision/2/
Category:
Power Supply
Bar magnets. Before we look at electromagnets let's recap bar magnets. Bar magnets are permanent magnets. This means that their magnetism is there all the time and ...
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