Lecture01 - Physics 132 Introductory Physics Electricity...

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1 January 4, 2008 Physics 132-Winter 2008 Prof. Jim Beatty-Ohio State 1 Physics 132 Introductory Physics: Electricity and Magnetism Winter Quarter 2008 Lecture 1 January 4, 2008 Physics 132-Winter 2008 Prof. Jim Beatty-Ohio State 2 The Four Fundamental Forces Weak Force PET scanner Beta Decay GRAVITY Everyday Motion Motion of the Moon and Planets Galaxies and the Universe Strong Force Fission and Fusion Fusion in Stars Electromagnetic Force Most everything else…
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2 January 4, 2008 Physics 132-Winter 2008 Prof. Jim Beatty-Ohio State 3 Electromagnetism Close observations of everyday electrical phenomena led to a mathematical description in the 19th century. Summarized in four “Maxwell’s Equations” Electromagnetism is the force underlying: – Lightning Electrical and electronic technology Your nervous system Light and radio waves Chemistry, solids… Faraday Maxwell Gauss Oersted January 4, 2008 Physics 132-Winter 2008 Prof. Jim Beatty-Ohio State 4 What You’ll Learn in Physics 132 Basic Concepts: charge, fields, potentials, currents… Electric charges create electric fields. Electric fields create forces on charges. Moving electric charges (currents) create magnetic fields. Magnetic fields create forces on moving electric charges. Changing magnetic fields create electric fields. Changing electric fields create magnetic fields.
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3 January 4, 2008 Physics 132-Winter 2008 Prof. Jim Beatty-Ohio State 5 Administrativia
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