EEL 3111C - FINAL D

EEL 3111C - FINAL D - I ' _ Final E13111 _ I EEL3111_C _ -_...

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Unformatted text preview: I ' _ Final E13111 _ I EEL3111_C _ -_ 'i -' Sphagnum, C _ ' - l-Jr.5rivestava- . , Sfltsfifimmn; . ' ___' ______ __'_____'__' ____ __ " __;_'_'__--_*_' ' Lasma'me _FitstNeme. ,. ' _. -Section# D'isclaihier; Pleas: mark X on orietif the folldw'i'ng and Sign your name." . '1 hate fibjeetion 'td placing my graded exa1n__outside instructor‘s- effice. ' Ihatfie no. objectionto planing the graded exam outside instructor’s affine. Signature”; ........ ...... ......... ..'. .... ' .(1), ofthe'fotlewing questions in the space presided. -I(a) What is a'no'de‘? Give your answers in theme, hdt or figure. I [b] Whath criterion-fer two cit-chit elements to be in sates? No figures; 'I (0) State the pu-incifile of superposition in'words. _ I . _ - Lfvtvafee Chm—fit; Vaflfipe. ELI CMWf .52 . E t - ,C RCA-W I Md '_ q; me,t'.m’otML _ LAJEC/imswe BVMVW, Gfifl qt ' q twenth '(d) is it true thatthe magnitude ofvoitsge in'an infiltch aIWays decreases no ' matter whether the inductor is being charged or discharged? Please circle 13111:,r Oneanswerbi . . WW r . W” meme - - [e] A neéistor iscohnected iri series with a capacitor ahd'a sittuseictal source If the I resistor cur'riantipham angle i530“, show the resistor voltage and cafiacitor voltage infia Firsts-31' diagram. Assume the passive Sign cenvention is satisfied for birth. U- (2} Consider the circuit shown below. II) 3.5”” 10 (5.) Perform Delta-Wye or Wye-Delta transformation and find the equivalent resistance seen by the source. PI 1* (LIL 12 _n.. $1.11 L' “3;!— C ‘3':- JL ‘ B 12+Efi+eyllfll+2~qfl L 12 +11 Lena Using the above results and transformed circlfits only, find all the currents. List your rasulte below. Do not use node] or mesh anal 's. 3:1:19) igiiglélg “liq :. 16 = 2-9- } 2TB 2-quggiérflilfi II It “I; IJ+Ia : 1;: “eerie: Lee (EA ;II=A§.6fi ;Iz=2.{‘r-‘1;Ia= Am ;I4= Le (3) Consider the circuit shown where 1h: switch was in position A for a. long time. ' I At t =_0, it is placed at position B. ' 5 (:1) Draw the cit-wit an = fl' and- VCOCI}. w: fa)” ?— AIS“ .19 5"“; s (bjflndvgm). ”c@‘* =0 5 (c) WIm is the time constant for t > I]? [X “FLIP! :29 [ (1—H) why U}+3;O‘llr—o -‘ +zqgfl+1fij : l-Eir+,10C"0-1J \IS - 3.5.x; . CONTINUED.... 5 {d} Find m:- for 1 2: n. . ' '4: F a!” a {—6 57" '- / l’ . Ur): a www'wf " a I —--I / kKC+}—;—6.S€ T A (4) The cirbuit show below usas an ideal op amp. 6_ (b) Solve the above equations and find Va. Fabian Q41 big); WE fiat 117' .. ML»; '“ l GEM C a )2 Pg, V0.1 w GféS—gz} #JO‘ U ,. $01411 t’xzq'g \f 2-8651 1’ CONTINUED ...... .. S (c) Ifthe somggperates at SD Hz, find the sinusncfd infi) for phasm: I9. C}? .n _.__.;“"5" ,+ 'fio‘q‘ .UF— 7"- PEK 13:45am. 41.0% i; 1,35] L—HBJE'Q _ ISLE“) .1 be mfg-.95 C ism—I; #5123“: was _- (5) In the circuit Below, some of the phasors are ahead}! given. la 5 (3) Using cull}.r the Dhm’s law, KCL, and KVL, find the want phasors Is, in}, . and [1, Give your answers in 3.11:,r form. '. 152mm“ L Hr (1 J D 4 (h) Datafinhe the complex power absorbed in the resistor. . N 1' 1 SR:- F'FL =3_\1+31\1u r...... SR=1EJNJPr CDNTEIUED ....... .. E 6 _ I Find the reactive power afisorhed 1'11 Each offhe three energy 31mg: elementfii £31K \ 1'7“ 11 = 1:5 'V-fiR-r- stfi I'. ._ _ I I i. L11 =51 7f i .. wart-L QJE‘R' “F 21-3-3: -. .. ' . '- 52 ' —' i \‘i-‘ifiV-‘fi "=47TESNM7. Eli-‘4» I. '2" 5 _ {fl} Wfisfimpdwér-facmr seen by the some? I Z? :izlufi-Wfi :'(§~1J19)J‘L _. gig '1 . .0 . - ' a :r 62;. Q ' H“? o-AW(.9W;)_ s {3) Find 'tfie capacitaan necessary to coficct thcabp'w' pin-War factorm one. ' -' . , I U$L_ 595?? I G? -: 1:: “GR. ' . 2“— -“ 1c; UM 62- 2"“. Lu; m C _ C“ ' 1' ' ' - 20 = {1 UHF—H m {rwc 1%20 ' C + 1-5907: 111*. C573") PLEASE-D0. NUT m BELOW THIS LINE. TO BE USED BY THE JNSTRUCTUR ONLY. - - T0131 score in the Final Exam: ...
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EEL 3111C - FINAL D - I ' _ Final E13111 _ I EEL3111_C _ -_...

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