EE 311 Exam 3_final

# EE 311 Exam 3_final - 1 Name Section(check one Chappell...

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1 Name _____________________________ Section: (check one) Chappell____ Jiao____ April 23, 2009 ECE 311 Exam 3 Spring 2009 Closed Text and Notes 1) Be sure you have 17 pages. 2) Write only on the question sheets. Show all your work. If you need more room for a particular problem, use the reverse side of the same page. 3) No calculators. 4) Write neatly. If your writing is illegible, then print. 5) The last 6 pages contain equations that may be of use to you. Feel free to separate these pages from the rest of the exam booklet. 6) This exam is worth 100 points. (Signature) ____________________________

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2 Problem ABET Outcome Points Score 1 10 2 10 3 10 4 5 5 iv 10 6 v 10 7 v 15 8 vi 30 total 100
3 (10 pts) 1. A current of 1 A is flowing in a loop shown below. (a) If the loop is placed in a uniform magnetic field of 100 y Ba T, what is the maximum torque received by the loop? (b) If the loop is subject to a vector magnetic potential of z A xa , in which plane the loop rests after it has rotated? x y a = 2 m b = 1 m h = 1 m I = 1 A

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4 (10 pts) 2. A 1 C charge of mass 2 kg is moving in a uniform magnetic field 10 z
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EE 311 Exam 3_final - 1 Name Section(check one Chappell...

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