Practice Exam 2 - Spring 2006

Practice Exam 2 - Spring 2006 - PH2200 EXAM II INSTRUCTIONS...

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PH2200 EXAM II SPRING 2006 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 your I.D. number and name. If you are a(n) your I.D. number is domestic student your Social Security number (without the dashes) international student your M number; however, replace the leading M with a zero. Example: if your M number is M12345678, then you would enter 012345678. 3. With the exception of the first 30 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 30 questions. Each question has a single correct answer and is worth five points. The total number of points available on the exam is 150. 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 2006 The following information applies to the first two questions. right end-cap Q Q + Positive and negative charges of equal magnitude lie along the symmetry axis of a cylinder. The distance from the positive charge to the left end-cap of the cylinder is the same as the distance from the negative charge to the right end-cap. 1. What is the electric flux through the closed cylinder? (A) 0 (B) / o Q ε + (C) 2/ o Q + (D) / o Q (E) None of the above. 2. What is the sign of the electric flux through the right end-cap of the cylinder? (A) positive (B) negative (C) There is no flux through the right end-cap. 3. An uncharged spherical balloon contains a positive charge at its center. As the balloon is inflated to a greater volume while the charge remains Q + expanding balloon at the center, does the electric flux through the surface of the balloon increase, decrease, or remain the same? What about the electric field strength on the surface of the balloon?
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Practice Exam 2 - Spring 2006 - PH2200 EXAM II INSTRUCTIONS...

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