Transcription of Chapter 8: Magnetism & Electromagnetism
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Chapter 8: Magnetism & Electromagnetism
Learning with PurposeSlide 1 Learning with PurposeSlide 1 Chapter 8: Magnetism & ElectromagnetismInstructor: Jean-Fran ois with PurposeSlide 2 magnetic fields are described by drawing flux lines that represent the magnetic lines are close together,the flux density is lines are further apart, the flux density is lowerThe magnetic FieldMagnetic QuantitiesLearning with PurposeSlide 3 The magnetic FieldMagnetic fields are composed of invisible lines of force that radiate from the north pole to the south pole of a magnetic lines can be visualized with the aid of iron filings sprinkled in a magnetic with PurposeSlide 4 Unlike poles attractThe magnetic FieldLike poles repelLearning with PurposeSlide 5 The magnetic field lines surrounding a magnet actually radiate in three dimensions. These magnetic field lines are always associated with moving permanent magnets, the moving charge is due to the orbital motion of electrons. Ferromagnetic materials have minute magnetic domains in their magnetic FieldLearning with PurposeSlide 6In ferromagnetic materials such as iron, nickel, and cobalt, the magnetic domains are randomly oriented when unmagnetized.
Magnetic fields are described by drawing flux lines that ... What flux is in a core that is wrapped with a 300 turn coil ... magnetic field. Electromagnetic Properties The Hall Effect The Hall effect is widely employed by various sensors for directly measuring position or
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