Physics 1425: General Physics I - Galileo and Einstein

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Charging Capacitor <strong>and</strong> Betatron • Recall that in the betatron a uniform magnetic field increasing in strength in time generated a circling electric field that could be used to accelerate charged particles. • In the charging capacitor we’ve been looking at, a uniform electric field increasing in strength in time generates a circling magnetic field. • In regions of space where there are no charges, changing electric <strong>and</strong> magnetic fields are related to each other in a very symmetric way.
Clicker Question (Review) • Suppose you have an infinite uniform plane of electric charge. What is its electric field? A. Parallel to the plane, of uniform strength. B. Parallel to the plane, decreasing strength with distance from the plane. C. Perpendicular to the plane, of uniform strength throughout space. D. Perpendicular to the plane, decreasing strength with distance from the plane.
Page 1 and 2: Maxwell’s Equations Physics 2415
Page 3 and 4: Equations for Electricity and Magne
Page 5 and 6: Equations for Electricity and Magne
Page 7 and 8: Those Spherical Currents… • Can
Page 9 and 10: Another Ampère’s Law Paradox •
Page 11 and 12: Why the Two Surfaces Give the Same
Page 13 and 14: Maxwell’s Equations • The four
Page 15: Magnetic Field In Charging Capacito
Page 19 and 20: Clicker Question • Suppose now th
Page 21 and 22: Magnetostatic Field from a Sheet of
Page 23 and 24: Ampère’s Law at Time t • This
Page 25 and 26: Picturing the Fields… • The cur
Page 27 and 28: The Speed of Light • To summarize
Page 29: The Electromagnetic Spectrum • Th

Physics 1425: General Physics I - Galileo and Einstein

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