FirstExam_s03

# FirstExam_s03 - ESE 271 First Exam Name: ’ Spring, 2003...

This preview shows pages 1–5. Sign up to view the full content.

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: ESE 271 First Exam Name: ’ Spring, 2003 ID Number: Do not place your answers on this front page. Every problem is worth 25 points. Prob. 1: Prob. 2: Prob. 3: Pnob. 4: Prob. 1: .. r Every resistor is ‘2 (I. Find v0. (Use the ideal op-amp wherein every input voltage and every input current for each op-amp is 0. That is, use the “virtual short and virtual open” principle.)- 4+ 4f. "L _.._ ___,______. 2 2 2 "‘0 (If- 2 ’V' —> ’U"-*QAJ" i'” 24,2 2 -— 2" 1 v 4’ :9”;:-2N; on ﬁr—i 472 4’; 4,- 2 7+T=0 :7 o=-’% . / > 1+ +M+ﬁzo 4—475 T+”5 =° 4:; =~8 Prob. 2: Find the voltage 91 in the foﬂowin'g circuit. Use a nodal analysis. 2! (V- Zym’: Ban-Law" 45*”: = 21' = 2 => 34’: '5”: =0 r' ’9;- 4r 0" 34"”°”‘ 1:" 3?“- ~2=0 z) 3"’?+4~"’i =2” Sugrﬂﬁgr Fmgy Eauanpy Pg." 7m! J'Fcowo EnuATmu: efﬁng-\$24 'en (0‘: 1; Prob. 3: Using the mesh currents shown, ﬁnd :72 by using Cramer’s rule. Write your answer as a 3-by-3 determinant over a 3-by-3 determinant occurring when all three mesh currents are used as unknowns. That is, do not eliminate one of the unknowns to get 2-by-2 determinants. (You do not have to get 1'; as a single number. Write your answer neatly—otherwise points will be deducted.) 4 .n. FRO” DEPrhpfu-r cuﬂegu‘r .t’ouncE: Li-[rﬁ’v =3K'Z‘:)=—6l; 2) J25" +z'2:0 2 I Anauun 1.9an tgopl-AVOlDJNS 7'1)! pure-412:0? S’auact: 2.45; 4- it"i'S + 35.1—35 +J_=-’0 '%> a“: +3!" “#4:? r ‘5— t‘lﬁow’b TnP LooP.‘ 4!} 4. 3c-3_3€,: I . -. so) 5' o o 3 -.r' - 9‘ -—1 o 5’ _ W075" REﬂﬂ-kas’d’ﬂcyrr 9F 77,53“: faunn¢~J locum) ynEdD 07H?“- Callﬂ-Ec?‘ ANSWERS. Prob. 4: For what value of R will the povﬁer in R be a. maximum? Also, ﬁnd the value of that maximum power. ONE S'otu'nouu MARE A Til-EVEMIN '1‘. Moms TﬁANJF anhA'ﬁ“. a” an“. ‘£,T: I llrénﬁx 2 £1 F“? nmz. inén nur- 4?! ' 2 " -"'_G. R' 3 T - 2 . HUI ‘ :. ’1'3" _ NA)? 1 1 4 — 2 A 3 + 3 5'6 ’ 8m: 2‘; 3. - iw: 245 w. y " 3 A!) THEA SO‘UTW‘UI {ET (IN OVEr-z-ﬁu- TIEVEMHU Gracwr.‘ u (“T “a I A); Vi'ﬁc “1:2 2 ' (DE-‘1 «a -- 4- _.__ 2 3 I " 0 3”} :00 I v1: g: 1 r 4—— .r _F .29! r 3_ 2-H ' 3 [EFMHAv ﬁzz-gain- ...
View Full Document

## This note was uploaded on 06/05/2011 for the course ESE 271 taught by Professor Zemanian during the Summer '08 term at SUNY Stony Brook.

### Page1 / 5

FirstExam_s03 - ESE 271 First Exam Name: ’ Spring, 2003...

This preview shows document pages 1 - 5. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online