SecondExam_s02

SecondExam_s02 - ESE 271 Second Exam Name: Spring, 2002 ID...

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Unformatted text preview: ESE 271 Second Exam Name: Spring, 2002 ID Number: Do not place your answers on this front page. Prob- l: Prob. 2: Prob. 3: Prob. 4: Prob. l. (25 points): Find the phasor for £1“) by using; Cramer‘s rule. Write your answer as a. determinant over a determinant. You need [109. compute the determinants; just. Show the entries in the determinaan as complex numbers in rectangular form. (Write your answer neatly—otherwise, points may be taken off.) 212 ix; 2:0: Prob. 2: (‘20 points): Find v(t) as a. cosinusoidal function of time t. FLT-3 :— :5 ‘J ‘4-0 o—v T "‘_- _-z ":7 lit J 30) Art’t): -- C44— t Va) 69:4 ,.__———.. .— Prob. 3: (30 points): What. is the EMS value of the Voltage v0)? + 2mm 3M3: m 2H m) W11 mus? u:£__ IHpQrPEJ-é'z—fin.‘ 77-42 2 era“??? :cwrce minke: + 2 (6)13?) J'H’ : f4; 2 .‘JJ’ _ Vfi 51”"? 3+J‘4 rxaola :: 90:8.f' ..-. igto “rm: 7-4 Q19: +353“) 72': 3 awn-32“ J‘eur'ce a/one: + . (61H: N - 3 J-g v=3« { = J. 1M9!» “ 6W6 In J: 544—6 _, JcP 4r. I,— L Arm: x232 m(3t+4.r°) I 59, .V :j (94)“ (£2.73)1 HHS T + £7” = Juana? : //.27 wk: ._.____,__—n——-—--—-— ,__—-—--- --. Prob. 4: (25 points): For what values of L (in hemies) and R (in ohms) will the power in R be a maximum? (You need not state what that maximum power is.) 6.4 6M2: fir: Zn? 3 "“"-—-—' :1 #Jlé “VI 6 "4""5 g.- .6 "—'"—'—‘ X : . -— a: J 1—) At} 2 v [4/5 A1659? R 1+ij : cor-1mm: “NIH/"i 9" 23"! $9 I R: 3 .Q jaw-C at; ...
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SecondExam_s02 - ESE 271 Second Exam Name: Spring, 2002 ID...

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