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Earth's magnetism — OCR GCSE Physics A J249
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Physics
OCR GCSE Physics A
Magnetism and magnetic fields
Magnets and magnetic fields
Earth's magnetism
OCR GCSE Physics A · J249
Earth's magnetism
What you need to know
Explain how the behaviour of a magnetic compass provides evidence that the Earth's core is magnetic.
Revision notes
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Earth's magnetism
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Magnetic fields
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Magnetic effect of current
