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How magnet is made - material, manufacture, making, history, used, dimensions, machine, History, Raw Materials
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DO NOW QUESTION: How did the permanent magnet make the electromagnet turn in the electric motor? - ppt download
Magnetism ESCI 215 Chapter ppt video online download
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Difference between an Electromagnet and a Permanent Magnet | Stanford Magnets
Difference Between Electromagnet and Permanent Magnet with its Practical Applications in Real Life
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electromagnetic induction - How is polarity determined when making a permanent magnet using the "single touch" or "stroking" method? - Physics Stack Exchange
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