spring_06_exam3_phy2054

spring_06_exam3_phy2054 - 77777 77777 PHYSICS DEPARTMENT...

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Unformatted text preview: 77777 77777 PHYSICS DEPARTMENT PHY 2054 Exam 3 – SH Chs 20.6–23.3 April 4, 2006 Profs. F.E. Dunnam, P. Avery Name (print): Signature: On my honor, I have neither given nor received unauthorized aid on this examination. YOUR TEST NUMBER IS THE 5-DIGIT NUMBER AT THE TOP OF EACH PAGE. DIRECTIONS (1) Bubble in your test number on your ScanTron sheet (use 76–80 for the 5-digit number) . Print and bubble in your last name, first and middle initial on your ScanTron sheet. Similarly, print and bubble in your 8 digit UFID on your ScanTron sheet. (2) PRINT and SIGN your full name at the top of the question sheet. (3) At the end of the exam, turn in separately the question sheet and ScanTron sheet. (4) If there is no answer close enough to be correct, the correct answer is to leave the question blank. You should not expect many of these. (5) Blacken the circle of your intended answer completely, using a number 2 pencil . Do not make any stray marks or the answer sheet may not read properly. (6) Good luck! >>>>>>>> BEFORE YOU FINISH <<<<<<<< Make sure that your name is printed and signed on top. Hand in the ScanTron sheet separately. Note: Numerical answers may be “rounded off” within 1% of calculated values. Useful (?) Constants: k = 9 × 10 9 Nm 2 /C 2 μ = 4 π × 10- 7 Tm/A elementary charge e = 1 . 6 × 10- 19 C n water = 1 . 333 “milli-” = 10- 3 “micro-” = 10- 6 “mega-”=10 6 “pico-” = 10- 12 cw = clockwise ccw = counterclockwise 1. A current of 5.0 A passes through a 1.5 H inductor. The current is then reversed to 5.0 A in the opposite direction, and during the process, an average emf of 100 volts is induced. How much time (in ms) was required for the current-reversal?...
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This test prep was uploaded on 04/17/2008 for the course PHY 2054 taught by Professor Avery during the Spring '08 term at University of Florida.

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spring_06_exam3_phy2054 - 77777 77777 PHYSICS DEPARTMENT...

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