Practice Exam 2 - Spring 2007

Practice Exam 2 - Spring 2007 - PH2200 EXAM II INSTRUCTIONS...

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PH2200 EXAM II SPRING 2007 INSTRUCTIONS 1. Remove the Score Sheet from the exam booklet. 2. Using a #2 pencil, in the left-hand column entitled Student Enrollment Sheet, fill in the following information: I.D. Number enter your M-number, but replace the letter M with the number 9 Name enter your MTU email address without the @mtu.edu Phone Number leave blank 3. With the exception of the first 29 answers on the Score Sheet, all remaining fields should be left blank. 4. Be sure to fill in the circles completely and avoid stray marks on the form. 5. This a ninety minute exam. 6. Please cover your Score Sheet at all times. 7. This is a closed book exam. You may use the PH2200 Formula Sheet that is attached to this exam. The next to last sheet of paper is blank and may be used as scratch paper. You may find it convenient to rip the formula sheet and scratch paper from the exam booklet. 8. Graphing calculators are permitted, but equations may not be stored in calculators, nor may calculators be exchanged. 9. Cell phones should be turned off and may not be used during the exam period. 10. Assume all numerical data supplied with the problems have three significant figure accuracy, unless explicitly identified otherwise. 11. This exam consists of a total of 29 questions. Each question has a single correct answer and is worth five points. The total number of points available on the exam is 145. 12. An announcement will be made when ten minutes remain. Please remain seated after the announcement is made until the Score Sheets are collected. 13. If you have any questions during the exam, please raise your hand and wait for assistance. 14. Please turn in only your Score Sheet. You may keep the exam booklet, formula sheet, and scratch paper. Please Sit in Seat Number _____________________________
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PH2200 EXAM II SPRING 2007 The following information applies to the first two questions. A pack of 100-dollar bills is charged so that each bill has a charge of 0.0100 μ C. The pack is suspended by an insulating thread inside a closed, neutral, metal safe. No charge can flow between the bills and the safe or between the safe and its surroundings. A burglar knows that there is no net electrical charge on the safe, but the charge on the outer surface of the safe has a magnitude of 4.00 μ C 1. What is the charge on the inner surface of the safe? (A) 4.00 μ C (B) 0.0100 μ C (C) 0 C (D) +0.0100 μ C (E) +4.00 μ C 2. How much money is in the safe? (A) $10,000 (B) $20,000 (C) $40,000 (D) $80,000 (E) $160,000 3 . Which graph best describes the electric field strength E versus distance r from the center of a solid, charged conducting sphere in electrostatic equilibrium? R is the radius of the sphere.
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This note was uploaded on 10/31/2011 for the course EE 101 taught by Professor Gibbons during the Spring '09 term at Michigan State University.

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Practice Exam 2 - Spring 2007 - PH2200 EXAM II INSTRUCTIONS...

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