| 1. | This results in the ferromagnetic material's being magnetized, forming a permanent magnet.
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| 2. | The disc consists of a ferromagnetic material sealed beneath a plastic coating.
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| 3. | Thus coercivity measures the resistance of a ferromagnetic material to becoming demagnetized.
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| 4. | A relatively new class of exceptionally strong ferromagnetic materials are the rare-earth magnets.
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| 5. | Similar to ferromagnetic materials the magnetic interactions are held together by exchange interactions.
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| 6. | Metallic iron and the alloy alnico are examples of ferromagnetic materials involving transition metals.
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| 7. | The paramagnetic materials'induced magnetic fields are very weak in comparison to ferromagnetic materials'magnetic fields.
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| 8. | The N�el temperature is analogous to the Curie temperature, T C, for ferromagnetic materials.
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| 9. | The armature may instead be made of ferromagnetic material, as in an electromagnetic solenoid.
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| 10. | Largely because of his work, manufacturing of ferromagnetic materials to virtually any specification became possible.
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