4 - Bonus Problem (worth extra 2 pts.): A sphere of charge...

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Physics 3323, Electromagnetism I, Spring 2000 PROBLEM SET #4 DUE MONDAY, FEBRUARY 21 From Griffiths, Chapter 2 Problems: 3.1, 3.9, 3.10, 3.36 Also: 5. A charge is placed near the end of an uncharged metallic rod. If the length of the rod increases, the force on the rod (a) increases (b) decreases (c) is unchanged You must explain your answer in detail to receive credit!
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Unformatted text preview: Bonus Problem (worth extra 2 pts.): A sphere of charge q and radius a is separated by a distance D (a < D) from an infinite conducting plane held at zero potential. Using the method of images, compute the capacitance of the system. (Hint: You will need more than one image charge and must place charges on both sides of the plane.)...
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