chapter23notes - Chapter 23 Electric Fields Introduction...

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Chapter 23 Electric Fields
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Introduction: Electromagnetism Electromagnetism is one of the fundamental forces in nature, and the the dominant force in a vast range of natural and technological phenomena r The electromagnetic force is solely responsible for the structure of matter, organic, or inorganic b Physics, chemistry, biology, materials science r The operation of most technological devices is based on electromagnetic forces. From lights, motors, and batteries, to communication and broadcasting systems, as well as microelectronic devices. b Engineering
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Electricity Electromagnetism Magnetism Optics In this course we are going to discuss the fundamental concepts of electromagnetism: charge force field potential current electric circuit magnetic field induction alternating currents waves reflection refraction image interference diffraction Once you master these basic concepts, you will be ready to move forward, into more advanced subjects in your specific field of interest
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Week of Topic Chapter 8-21 Electric Fields 23 8-28 Gauss' Law 24 9-4 Electric Potential (Mon=Labor Day) 25 9-11 Capacitance and Dielectrics 26 9-18 Current and Resistance (EXAM-I) 27 9-25 Direct Current Circuits 28 10-2 Magnetic Fields 29 10-9 Sources of the Magnetic Field 30 10-16 Faraday’s Law (EXAM-II) 31 10-23 Inductance 32 10-30 Alternating Current Circuits 33 11-6 Electromagnetic Waves (Fri=Veteran’s Day) 34 11-13 Laws of Geometric Optics 35 11-20 (Thanksgiving Holiday) – (EXAM III) Physical Optics 35 11-27 Image Formation / Review 36 12-5 Final Exam on Dec 08 ALL
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Electric Charges s There are two kinds of electric charges s Called positive and negative s Negative charges are the type possessed by electrons s Positive charges are the type possessed by protons s Charges of the same sign repel one another and charges with opposite signs attract one another
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Electric Charges s The rubber rod is negatively charged s The glass rod is positively charged s The two rods will attract
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This note was uploaded on 11/01/2009 for the course PHY phy2049 taught by Professor Wilfredngwa during the Fall '09 term at University of Central Florida.

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chapter23notes - Chapter 23 Electric Fields Introduction...

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