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Unformatted text preview: 1 Chapter 12: Magnetism Chapter 12: Magnetism - I I Chapter 12: Magnetism Chapter 12: Magnetism - I I Plan Plan 1. 1. Natural Magnets and Magnetic Natural Magnets and Magnetic forces forces forces forces 2. 2. Magnetism and electricity Magnetism and electricity 3. 3. Theory of Magnetism Theory of Magnetism Chapter 12: Homework Key Terms Review Questions: 1, 2, 4, 5 Exercises: 1, 3, 4, 6, 7 1. Natural Magnets and Magnetic forces The term magnetism comes from the region of Magnesia, a province of Greece. Certain magnetic stones were found by Greeks who lived 2000 years ago. Natural magnetic materials: Iron, Nickel, Cobalt , Magnetite (Fe 3 O 4 ), and many others. Important experimental facts Important experimental facts: A. Typical magnets have two poles: north pole and south pole. B. Magnetic poles produce magnetic forces. N S Magnetic force field d Magnets produce magnetic fields....
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This note was uploaded on 05/27/2011 for the course PSC 1121 taught by Professor Khankasayev during the Fall '08 term at Florida A&M.
- Fall '08