ph132s02_exam1 - PH 132 Exam 1 Spring 2002 Student

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Unformatted text preview: PH 132 Exam 1 Spring 2002 Student Name____________________________________________________ Student Number__________________________________________________ Lab/Recitation Section Number______________________________(11,,34) Instructions: 1. Fill out all information requested above. Write your name on each page. 2. Clearly indicate your final answers for all multiple choice questions in the space provided. 3. Present neat and orderly solutions to each problem. Clearly indicate your method of solution by including equations used for each part. Final answers should be circled or boxed . 4. Only solutions written in ink (rather than pencil) will be considered for regrading if necessary. 5. Be sure to include appropriate units with all answers. Multiple Choice________ Problem 1_____________ Problem 2_____________ Total _________________ Multiple Choice (2 pts. each) 1 1) Two point charges (positive) and q (negative) are separated by a distance a. A third point charge (negative) is located a distance a/2 to the left of the first charge, as shown. If the net electrostatic force on the third charge is zero, then the magnitudes of the first two charges must be related according to: 1 q Q 2 A) , 1 2 2 q q = B) q , 1 2 3 q = C) , 1 2 4 q q = D) . 1 2 9 q q = Answer__________ 2) The initial charges on three identical metal spheres labeled A, B, and C are Q, Q/2, and -Q/3, respectively. The three spheres are brought together and allowed to touch....
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This note was uploaded on 05/06/2008 for the course PE 123 taught by Professor Bla during the Spring '08 term at SUNY Buffalo.

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ph132s02_exam1 - PH 132 Exam 1 Spring 2002 Student

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