104414978 - h Name SSN Midterm ENEE 204 G o | Due...

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Unformatted text preview: h Name: + SSN: Midterm ENEE 204 G] o | Due: June 24, 2004 Instructions: p... Write your name and section number at th top of each page as soon as the begun. IF YOUR NAME IS NOT AT THE TOP OF A PAGE. YOU WILL RECEIVE NO POINTS FOR THAT PROBLEM!!! 2. Do each problem on the separate sheet provided. If you run out of space, ask a proctor for more paper. Do not use any of your own paper under any circumstances. 3. Read each problem carefully. Write your answers neatly in a logical order. It is your responsibility to make your answers understa idtiblc to the grader. If the r I _ . fl grader came: decipher any pan of your answer‘ you 'Braw a box around each ofyourfinal answer's: ‘ will not receive any credit for that part. , _ at Obey the calculator and academic dishonesty policies. All violations will be referred to the honor board. 5. If you are unsure about any question, ask the proctor for a clarification. Do not make was! 6. Bring: your student If} Witt: you to the test. ,, Calculator Policy: Calculators will he allowed only for algebraic trigonometric (cg. 1 - .5 "‘" cos etc}. You may NOT use Lhem for any other operations. such as matrix multiplication or inversion integration, or differentiation. You must show your all work - You will not receive full credit for problems where the intermediate steps are not written on the paper in a clear and understandable manner. ACADEMIC DISHONESTY: any ol‘the lollowing acts. when committed by a student. shall constitute academic dishonesty: CHEA’l'iNG: intentionally using or attracting to use unauthorized materials, inl‘cmiatiort or study in any academic exercise. FABRICATION: intentional and unauthorized falsification or invention of any irifonnation or citation in an academic exercise. FACILITATING ACADEMIC DISHONESTY: intentionally or knowingly helping or attempting to help another to violate any provision of this Code. PLAGIARISM: intentionally or knowingly representing the words or ideas oranothe-r as one's own in any academic exercise. Responsibility to Report Academic Dishonesty Academic dishonesty is a corrosive force in the academic life ofa university. It jeopardizes the quality of education and depreciates the genuine achievements of others. It is. without reservation. a responsibility of all members ol'the campus community to actively deter it. Apathy or acquiescence in the presence clue-admins: dishonesty is not neutral tact. histories of institutions demonstrate that u laissearl'uirc response will reinforce, perpetuate, and enlarge the scope of such misconduct. Institutional reputations for academic dishonesty are regrettable aspects ofmodem education. These reputations become self-fulfilling and grow. unless vigorously challenged by students and faculty alike. All members of the University community, students, faculty, and staff share the responsibilin and authority to challenge and make know acts of apparent academic dishonesty. _/ Problem #1 22‘, /25 K? Problem #2 5/ ’ /25 Problem #3 c} x25 Problem #4 "T /25 if. . Total /] 00 Section# G i O i Name: - #fl— —l ‘ /.. Problem 1 ‘ A. (10) Find the current i(t) (as a function of time]) through the 1 fl resistor. Use the current divider rule! I‘ 1 _ I u ’. ~i—T‘ - 1 +5 YR * . i A125sin(5,000t) mA 3 1 Q A A n»; . T— = ISE'e . I IS :1 page I "is my. “I Ii}, ’“"'“‘""” ' ‘ KIA. ‘ - _ “V? e W“ - . w L. ‘*\-..\o(m)(w)aamé) At ‘ 1—31;- r 2. .. .21}! 50cc: ,1 -3 \( J I? 99.398 9,4 a E 1:14"); _..__, 7 ,7 _ : —3_e ,r , fl__ 1 \f “twists "KLWWVJHWWM w 2 103* 9?.38? co5(l>ooo1' ~3tnv/q3 » B. (10) Compute the power factor for current source in the above circuit. “('KJ: ‘- H \ +kp?u§\1_{>_ VD E g Q" _ m V ( fl r fl C. (5) Compute the average power supplied by the current source in the above circuit. we PM 3 TIM: \3 ens C05( ‘flv‘ if) "em d. u‘ Name: ‘ Section #- 63‘s 0 l Problem 2 (25 points) r a '1; Consider a Ca} mF , capacitor. Assume any relevant initial conditions are zero. . i" 1+: 0<x<2fl A) If the voltage across the capacitor were given by: 12(1) (Volts) = {H} . 2e 23 < I Find the expression(s) for the capaciLngumpt for all times t>0. IQ = C £211? VCTCiDM“ 1‘ up {hl‘flifivfi K 1 - . i . i - ! +1 3 <£ < 25,“: B) If the current through the capac1tor were given by: i(t) (Amps): “(rm , ' - Zak—2 23 < t Find the expression(s) for the capacitor voltage for all times t>0. c'r‘ \‘L f\ B ’m‘ m S '3 \J': S “a >‘ Xlo _’2{?"CT $4. r. k.» . \ un 40 ‘\ A“ a 7“}qu +6130 L'=_lea.‘_c \f/ wt)— {M I" {3 + otiéls gm 6 -1e"(+-23+€ as <‘i‘ J L. .K ‘5 i5, «LC; 3x“ a; Pcm-fie/ ,,,A_.‘.-»o"“ C) One of the above two scenarios is impossible. Which one is impossible and why? it? son-1.3. {‘ {57:}- Av 15 i‘hnpoecfi; :‘l V 1'.” 3 11.3:- 2 Ii" +F ‘ Sefr'nj l " ‘ . _. I n \ K K . . ..._ “0 lkVGle-fifl mgr gag cagfismtwl‘fli as till-ScenirswkaLOuSJ M5533“: slime 7‘ \I. . n ,. ‘ , . i / \ 0'3: Phys ‘1 a; hath; w?“ m M3“? cm? in Uta“ g d M {a if} fxfim 3 5.4 m if) r {Thais-.5“; L» ilcf‘m g o r '\./ E _y=- .. Mot F Name: Sectic‘a ""—‘_“‘“_—fl—'—— ‘ Problem 3 (25 points) ,_ Censider t. e circuit shewn belew. First c-c-mbine azw series garallel ngegjye agreegzigms 2M re4raw the w “.1 lg; “1n. AA»; circuit in the “phasor domain”. Then label the nodes and meshes and write a complete set of KVL and KCL equations ’50 salve éhe sine aide}, steady-state emblem. Cheese referee-3e curren’is flowing left-to- right or. down-to-up and use impedancefi in the C - ' «flew. equations - GT" \ ‘ \ ‘ \ 1‘ 3 ~ '\. {omech‘ohi ' (Scflefb ‘“ ger'F-E’ W'H‘ Pgrgg'ex Cmr‘c‘t’rm“) \ A A '— A 1' + Tom—Izzg~-O 63‘ ecu-:6 F“ A M A A If“... \ I323+1222 +Vo —0 it) IKJ‘IBh,‘ C3 in, ‘f‘: 1" A A w i d... A in { + —I "v. V0+I " C) \V I5 I? H n 9 wt) 1: wre’le QAJQ‘IJ-rl‘k‘f-‘rcj I‘V’fl .. — ’ rd" 4 CE) ~\/_.3 +v| — 3 so t ‘ J) A . 7 C’frné. :72 7/ ~— __ Section# 0 f O I ' r2/ - /. Problem 4 (25 points) 4/ \ Con51der the c1rcu1t shown beiow. Find the unknown voltage Vo(t). Remember to show ALL your work. mm‘me ...
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104414978 - h Name SSN Midterm ENEE 204 G o | Due...

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