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To build an electromagnet, you will need a strong ferromagnetic core, such as iron, to enhance the magnetic field. You'll also need insulated copper wire to create the coil around the core, and a power source, such as a battery, to supply electricity. Additional tools like wire cutters, a switch, and electrical tape may also be useful for assembly and safety.

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3w ago

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Ivan wants to build an electromagnet. What three materials will Ivan need?

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