PHYS 2114 Exam 1 Spring 2009

# PHYS 2114 Exam 1 Spring 2009 - •.• Physics 2114 Spring...

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Unformatted text preview: •.•.. Physics 2114 Spring 2009 Midterm Exam 1 Dr. Bandy Page 1 NOTE: This a typical exam format, as per student request, for Fall 2011 students' perusal. This 2009 exam 1 only covered Chapters 20 thro 22 and reflects the course material taught during Spring 2009. Your exam 1 will reflect the material assigued and covered for Phys2114, Fall 's e n u . ~ t p• • ')0 1 1 , ::":,Si ;'l.I'- - - - - - 7 ~ - - - - - - - - - - - - - - - - - Problem 1 (See Fig. 1) (34 points) Three point charges ql =-1.0 nC, q, = +4.0 nC, and q, =-2.0 nC are assembled as shown in Fig. 1. a. Sketch and label on Fig. 1 the electric field(s) acting at position a. b. Sketch on Fig. 1 the force F,oo' . c. Calculate the force F'on' . (, ~ '''''I Ie"" \ @ ,caICUlatetheflUX<l>;tJiro'aGaUSSianSPherecenteredat(X'Y)= (0.5 em and 1.0 em )with radius 0.2 cm. e Calculate the flux <l> 2 thro a Gaussian sphere centered at (x,y) = (0.5 em and 1.0 em )with'radius 2.0 cm. y ~~ (You may sketch these Gaussian spheres on Fig. 1 without penalty- not required.) ~ - /" '\ . . ....
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## This note was uploaded on 01/10/2012 for the course PHYS 2114 taught by Professor Bandy during the Spring '08 term at Oklahoma State.

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PHYS 2114 Exam 1 Spring 2009 - •.• Physics 2114 Spring...

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