Midtermreview - 110 A MIDTERM REVIEW PROBLEMS SPRING 2008 I am not the one writing the midterm so these problems may not be representative of the

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110 A MIDTERM REVIEW PROBLEMS SPRING 2008 I am not the one writing the midterm, so these problems may not be representa- tive of the exam. They are probably harder than exam problems would be. There are hints on the second page, if you need them. It is probably best to try the problems Frst without the hints. 1 (a) ±igure out how to use image charges to Fnd the potential inside a hollow, grounded conducting sphere, with a charge q placed somewhere inside it. (b) Two concentric, grounded conducting spheres have radii a, c , and a charge q is a distance b from the origin, with a < b < c . Draw a picture of the situation with appropriate image charges. (c) ±or the setup of part (b), assume that a c , and Fnd the potential in the region between the spheres. You may drop terms of order a 2 c 2 or higher. Do not assume that either a b or b c is small. 2 Two long thin wires of radius a are held a distance d apart. ±ind the capacitance per unit length. You may assume d a . 3
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This note was uploaded on 04/05/2008 for the course PHYSICS 110A taught by Professor Crommie during the Spring '08 term at University of California, Berkeley.

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Midtermreview - 110 A MIDTERM REVIEW PROBLEMS SPRING 2008 I am not the one writing the midterm so these problems may not be representative of the

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