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Unformatted text preview: chamarthy (ac36769) homework 03 Turner (56705) 1 This print-out should have 11 questions. Multiple-choice questions may continue on the next column or page find all choices before answering. 001 10.0 points The diagram shows an isolated, positive charge Q , where point B is twice as far away from Q as point A . + Q A B 10 cm 20 cm The ratio of the electric field strength at point A to the electric field strength at point B is 1. E A E B = 2 1 . 2. E A E B = 1 1 . 3. E A E B = 8 1 . 4. E A E B = 1 2 . 5. E A E B = 4 1 . 002 (part 1 of 3) 10.0 points Consider the setup shown in the figure be- low, where the arc is a semicircle with radius r . The total charge Q is negative, and dis- tributed uniformly on the semicircle. The charge on a small segment with angle is labeled q . x y------------------ r x y I II III IV B A O q is given by 1. q = 2 Q 2. q = Q 3. q = Q 2 4. q = 2 Q 5. q = Q 2 6. q = 2 Q 7.7....
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This note was uploaded on 11/30/2010 for the course EE 411 taught by Professor Lee during the Spring '07 term at University of Texas at Austin.
- Spring '07