s05fnaan - NAME FINAL EXAMINATION PHYS-1200 PHYSICS II PART...

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NAME FINAL EXAMINATION PHYS-1200 PHYSICS II MAY 10, 2005 PART A . 1. E 7. E 12. E 18. D 2. E 8. A 13. D 19. C 3. D 9. E 14. B 20. D 4. B 10. B 15. E 5. E 11. B 16. B 6. A 17. C PART B . 1. a) The field at A is smaller than at B. The magnitude of the electric field within a uniformly charged insulating sphere is linearly proportional to the distance from the center of the sphere. Since B is farther from the center than A , the field is larger at B . b) The field at A is greater than at C. The field at C is zero, since a Gaussian sphere that exactly fit the hole in the charge distribution would contain no charge. c) The field at B is greater than at D. Both B and D are the same distance from the center of the charge distributions. However, a Gaussian sphere that just enclosed the charge in figure 1 would enclose more charge than a similar Gaussian sphere in figure 2. d) The field at A is equal to that at E. Gaussian spheres of radius R /2 centered on the charge distributions in figures 1 and 3 would contain the same amount of charge. 2.
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s05fnaan - NAME FINAL EXAMINATION PHYS-1200 PHYSICS II PART...

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