202Ex2-1Sp10SOLs_nodash

202Ex2-1Sp10SOLs_nodash - ECE 202 Exam II March 9, 2010...

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ECE 202 Exam II March 9, 2010 Name: _______NO DASH________________ (Please print clearly) Student ID: _________________ CIRCLE YOUR DIVISION MORNING 8:30 MWF AFTERNOON 12:30 MWF INSTRUCTIONS There are 12 multiple choice worth 5 points each and there are 2 workout problems worth 40 points. This is a closed book, closed notes exam. No scrap paper or calculators are permitted. A transform table will be handed out separately. Carefully mark your multiple choice answers on the scantron form. Work on multiple choice problems and marked answers in the test booklet will not be graded. Nothing is to be on the seat beside you. When the exam ends, all writing is to stop. This is not negotiable. No writing while turning in the exam/scantron or risk an F in the exam. All students are expected to abide by the customary ethical standards of the university, i.e., your answers must reflect only your own knowledge and reasoning ability. As a reminder, at the very minimum, cheating will result in a zero on the exam and possibly an F in the course. Communicating with any of your classmates, in any language, by any means, for any reason, at any time between the official start of the exam and the official end of the exam is grounds for immediate ejection from the exam site and loss of all credit for this exercise.
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Exam 2, ECE-202, Sp 10 1. In the circuit below L 1 H, C 0.25 F, and the initial inductor current is i L (0 )  4 A while v C (0 ) 0 . Then v C ( t ) (in V): (1) 8sin(4 t ) u ( t ) (2) 8sin(2 t ) u ( t (3) 4sin(2 t ) u ( t (4) 8sin(4 t ) u ( t (5) 8sin(2 t ) u ( t (6) 4sin(4 t ) u ( t (7) 16sin(2 t ) u ( t (8) 16sin(2 t ) u ( t (9) None of above Solution 1. V C ( s ) 4 s 4 s 4 s 16 s 2 4 8 2 s 2 4 . ANSWER (2) 2. R s 2 , C 0.25 F, g m 1 S, and R , then the transfer function of the circuit below is H ( s ) : (1) 0.5 s 2 s 1.5 (2) 2 s 2 s 1.5 (3) 2 s 1.5 s 2 (4) 0.5 s 1.5 s 2 (5) 1.5 s 7 s 2 (6) s 2 1.5 s 7 (7) 7 s 12 2 s 4 (8) None of these Solution 2. I in G s g m 1 R
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202Ex2-1Sp10SOLs_nodash - ECE 202 Exam II March 9, 2010...

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