Copper's Unique Properties Make It Ideal for Interacting with Magnets
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Copper is diamagnetic, meaning it repels magnetic fields very slightly. But it's not visibly magnetic like iron.
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Copper's electron configuration allows it to interact with magnets in a unique way - it can conduct electricity extremely well.
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This electromagnetic induction allows copper wires to generate electricity when moved through a magnetic field.
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Electromagnetic induction also allows electric currents to generate a magnetic field around a copper wire.
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This is why copper is vital for electronics, generators, motors, hard drive storage, etc. Its special configuration enables key magnetic interactions.