Phys1120 Sample Midterm2 - PHYS 1120 Exam 2 NAME Spring...

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Unformatted text preview: PHYS 1120 Exam 2 NAME:______________________________ Spring 2008 E2.1 Second Midterm V2 Student ID #__________________________________________________ Section number and TA Name:___________________________________ Exam Version 0002 Please do not open the exam until you are asked to. • Your exam should have 7 pages, numbered E2.1 thru E2.7. • This exam consists of 15 multiple choice questions, worth 5 points each, and a long-answer section worth 25 points, for a total of 100 points. • Write your answers in the space provided on each page for the written question. Use the back of the page if needed. Circle the correct letter for the multiple choice questions. SHOW YOUR WORK ON THE WRITTEN QUESTIONS. Full credit will be given only for the correct answer accompanied by your reasoning. PLEASE!! 1. Print your name on each page in the space provided. 2. Print your student Identification Number on the page above. 3. Bubble your name, ID, and exam version number on the bubble sheet provided. 4. Write the name of your TA neatly in the big blank space at the bottom of the bubble sheet. TA's names are Charles Bailey, Jeremy Brown, Craig Hogle, Daniel McKinnon, and Youngwoo Yi I recommend : Don’t waste time erasing on the written problems. Just put a line through defective reasoning. Ask for more paper if needed. At the end of the exam, check that you have completed all the questions. By handing in this exam, you agree to the following statement: "On my honor, as a University of Colorado Student, I have neither given nor received unauthorized assistance on this work" Signature______________________________________________ Possibly useful information: k = 9.0x10 9 N.m 2 /C 2 , basic charge unit 1.6x10-19 C, ε = 8.85x10-12 C 2 /(N.m 2 ) Electrostatic potential of a point charge (chosen to be zero at infinite distance). Electric field magnitude from a surface charge density. Good luck! PHYS 1120 Exam 2 NAME:______________________________ Spring 2008 E2.2 Second Midterm V2 Circle the closest answer and Bubble in questions 1-15 ON YOUR BUBBLE SHEET! 1. A total current, I, is flowing through a copper bar that has been machined as shown in the following figure. In which region is the drift velocity largest? A) A B) B C) C D) Drift velocity is the same in all three regions. The following two questions refer to this situation : Two capacitors, one of capacitance C 1 =0.5 microfarads and the other, C 2 = 2 microfarads, are both charged by attaching them across batteries. C 1 is attached across a 2 volt battery. C 2 is attached across a 1 volt battery....
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This note was uploaded on 09/23/2010 for the course PHYSICS 1120 taught by Professor Holland during the Spring '09 term at University of Colorado Denver.

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Phys1120 Sample Midterm2 - PHYS 1120 Exam 2 NAME Spring...

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