PHYS 2114 Exam 2 Spring 2007

# PHYS 2114 Exam 2 Spring 2007 - HI-Page 2•.• 10Dr...

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Unformatted text preview: HI-Page 2•.•\.., 10Dr. Bandy--Midterm Exam 2\lm,,,Figure 1-1mPhysics 2114Spring 2007,,,". .....1.....:i'./ '~ '.bf'-0-'-'--'--~f~="="'-0'O.2m!O.Sm'O.2m'S.I19natur«Directions;There'are three problems with multiple parts.Show all work on the exam paper. Do not Writeon theback of the paper.Be sure to label all vectors and graphs with correct units as appropriate.The value of eact£}hproblem is labeled to the right of each problem number.Show the coordinate system when useful.Use brirl~eXPlanation.s when asked,show all. of your work,keen units in all the steps of the calculation.Complet7{{rIProblems__I(Ji0 'Problem 1 (Use Fig. 1 for all sketches)(32 points)Stationary point charges ofq+= +ZOxlO-9C andq.=-ZOxlO-9Care placed1 mapart.(a) Compute the potentialat pointb.See Fig. 1.(b) Compute potential energy of a point charge (+5 x 10.9C) if placed at the pointb.K (c) What is the magnitudeand direction of the electric dipole moment? Explain.:;.. (d) What is the magnitudeand direction of the magnetic...
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PHYS 2114 Exam 2 Spring 2007 - HI-Page 2•.• 10Dr...

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