Fall2010-2 - ESE 271 Second Exam Name: Fall, 2010 ID...

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Unformatted text preview: ESE 271 Second Exam Name: Fall, 2010 ID Number: Do not put your answers on this front page. Prob. 1 (30 points): Prob. 2 (30 points): Prob. 3 ( 20 points): Prob. 4 (20 points): Prob. 1 (30 points): Find the voltage 1:0(t) as a cosinusoid. ENCDQCKfD ’ / 7f”<“)=2m2t @ n: {A N'N 5% firms“; Am: Puts“: auAerr/x: V—2 we if} #0455: I #1 ’1‘! ‘ a ') E, JA 2V,~‘¥ +J‘2Vz 35’ .3.“ L: V Ni V, M095; M?- V r V _ 3 v; O znzz /’J 2 A _2 V; 3 ({~J} [fig .. (5.2!) r f?) r A 1‘ 2.4.42? * w, 'vxzd‘y.w: “Marga, Q“ REL Va mac! bthmv Prob‘ 2 (30 points): Us 0‘ , , - ' 5111‘D d. nodal (1112113515, find the voltage ma) as a cosinusoid K, (YD 14m 2 5’” fl 2 @m., ENCIRCED swans AR£ pal/35m awn/W77“. Pm“ A imam Amt/No THE DEPEMBIVM?“ 55mm. Ipré BA‘LD‘W VMV ‘ 21 34“ "[V' I 2 ‘ w J2 V so, mm ~ v; =0’ ms, v2 saw: Ow THE 5345130”: ‘ V: \“ «3 + ‘7‘” + WW ‘3 C? J2 “J E LIMINATE I ‘ “"4- THGN: if: :: wwi-M-‘w 21‘ :3- ; ‘ h” “f? J~2 “Ir? ‘ .45" ” arm r 431 MM? "53 *3} 2 f5" Prob. 3 (20 points): Find the ~average power dissipated in the 2 S2 resistor, ’0 laJTm2f / N Ac DC Mus?" 95.; annex (“9:1 May; 5: FOR THE DC Soufiéé ALo/v 10 2 (: ‘3“ “ IVA /0 WNWWW‘"WWWWWW ‘ 3 R ~ 7 L few ’26 ' :2 FOR THE AC :ovms. ALONE w 4’” F/Ms‘az C/Rtui?“ 2 1 J L A913“ ’05 mu 1 f PW: : :— a I 2+2? 243“ {4: 1 II)QR_ 5:13“ :25“! ’36 "’ “"3"” ~ “‘2 .I E, FDR 80TH Iovflcfi‘ AC7“? F *‘ 50 +25“ 2: 75‘ W r9712: [3 ‘3 p: 'f° AC Prob. 4: (a) (10 points): At what value of w will this circuit resonate (i.e., when the reactive elements cancel each other’s effects)? (b) (10 points): At resonance, what is the average power dissipated in this Circuit? ’0‘- J. 8 few/450R Cu; Cu 11“: (a) 72m; 71/: emowxw‘ do I: “3“- (A) A7 Rfshjfixr’zkicgl 77% cmcwr :s‘ 6F‘;’-’5ic‘?‘:v£z‘r “‘1 i 5 E \~ 2 waww—E 2 2 I D w ll“? f 3 b 1 (Av "" "’ ..... W...» :- 5, 3v V ...
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Fall2010-2 - ESE 271 Second Exam Name: Fall, 2010 ID...

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