PS7_Solution[2] - Name Section jélfi EE331 Homework PS7...

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Unformatted text preview: Name: Section: jélfi ' EE331 Homework PS7 — spring 2011 Problems from Alexander & Sadiku: CH 9 9.1 9.3 9.8 9.30 (Ans: 2.5*cos(60t+20)mA and 300*cos(60t+110)mA) 9.35 9.44 (Ans: 8*cos(200t — 7.96) A) CH 10 0 10.13 (Remember to use CSOLVE in calculator) Other Problems: 0 Pg. 2 and 3 of this Problem Set Additional Problems (Instructor Option): 0 Any as assigned by instructor Page 1 of 3 Name: Section: Given the following scope image where the arrow indicates the ground level for CH1, _ , A a , ,73,i,i,, l i " """" " ' L 3' ' '1 ' '2 y: 1 \' 1 11 1 ' 1 1 1 1 1 1 1 I, ‘ 1—» rrrrrr 1111 r 1 1 1 j H , 3., 71s, 7111 3 3 1 3 3 3 . 1’ ;\/ ‘J : 1\‘ 1 1 5‘ 1 : ‘i’ ,_ 1 J 4%,”,11‘ ‘ ‘1 1 1i W 1 ,WV 2 t 3 3w 2 i 3 1 2 1 H i » i 1 ‘ ~ r 3 1 1 1i 11 i i 1 1 --- ~ .. .. .- 3; r r r r r w 71 {~- 771715” r r 17;" 7 ~- . f 1 V \ t 1(1‘ 1\ 1 HI 1‘9 fli/ “ii i ‘K‘ii v r r r r rrflwrwu-»--'~~vrrrvrrrrnxrlwnnd --»' ~ ~ 1131 ‘1‘ / 11f / 1 l 1’ 1 1 ‘1 1‘ i‘ 3‘ 1 3 3 1‘ \ W’di" _ ‘ 1msldirv '7‘ w — I =7 1 a. Determine the DC offset 4M5 —T b. Determine the frequency in Hz 0. What is the RMS value of the sinusoidal part of the signal Page 2 of 3 Name: Section: Given the following scope image where the arrow indicates the ground level for CH1 & CH2, ON 1 l Tne ‘ ‘ *W’A’T‘ " (“777% 7' Wim‘fflvfi'zigofi” " 7 T‘W'" 3 7 3 3 3 c ‘ § : rrrrrrrrrrrrrrrrrr w r r 4 r w r t 1 ‘ / I 1 i 1 : 3 3 ‘ i i l 1 l i i . . . l‘J , 18.2.. Lwfi "Ly fl rwfimi ~ i r r . . V r 7 . V 7 r 7 7 7 7 r r r 7 r r r r 7 . r 7 r r r 77 +7 CH1 5v CH2 5V M soups a. Which signal leads which and by how many degrees? b. What is the RMS value of the signal on CH2? a) l (“as g :‘7 awn/(MS): [O‘IV :7 1T: ib‘nv =3Lo° Q. SD‘AygDN: 5/ 319° 9 Vms: 5%}: M :7cu1ww3 XE “9° Page 3 of 3 Chapter 9, Problem 1. Given the sinusoidal voltage V(t) = 50 cos(3 0t+10°) V, find: (a)the amplitude Vm, (b) the period T, (c) the frequency f, and (d) V(t) at t=10 ms. Chapter 9, Problem 3. Express the following functions in cosine form: (a) 4 sin(wt - 30°} (b) -2 sin6t (c) —10 sin(wt + 20°} - (05(901) 0t) LI Co$(wT-'50°- ‘l a”) -. Ll (odor-196’) l9) 2 Cos(é.t4ao°\) C) 10 Cos(u>7+2o°+fio°): locos(w'r+uo°) \‘/ - SMUQI) Chapter 9, Problem 8. Calculate these complex numbers and express your results in rectangular form: ‘19 (olth A; (M032 "7 COWi’l‘x -§ Mfi‘”) (a) 15450+j2 :-o-Ll3Ll+‘l-‘I?;\ RM” 3—]4 84—20° 1o _ ' (b)m+_5+ j12 ‘ 0-”1‘3‘0' 99“ (c) 10+(8;50°)(5-j12) : [07.3 “SLlS was 3<m° as = coma-aw as Hal ~3- (osHL‘iD) :‘oua Chapter 9, Problem 30. If a voltage V(t) = 100 cos(60t +20") V is applied to a parallel combination of a 40-kQ resistor and a 50-pF capacitor. Find the steady-state currents through the resistor and capacitor. " Cam‘fi‘ S l‘fifs 1‘ l L a Vfi) ‘1' j 50M F Hokfl w 0 Code dusk?) Wham 33 Sch/Q 3) CakW‘ \Jadi ‘i‘DTin/M Domain = QSMA (90° ——~, my 1 a. S-«A comm“) W .ch?‘ Ca?” 07“: IOO<20°V 2/: I is 3 333347012 <—/ C 5 ‘0' °’*“ : 300mA<llo° a?) US): 3oOmAQositoT+llo°) \ ——___.“ <40" =333.s<-7o°52 w“ 0” 5+3 Dammk —'"9 i311??- Cawyxt— : - SDFF. (00.LD.$;M[bD-L~+Dob) :. '3ooaA S}M(LOT+)o°) —— 300M moonlit?) Chapter 9, Problem 35. Find current i in the circuit of Fig. 9.42, when v“.(t) = 50 cos 200i V. i 109 SmF —> vs 7 2O mH Figure 9.42 For Prob. 9.35. 6, \AASOV Q%|05—Z<00 I C: £24400 , 22L: “Laid? : [51(40" 7' qn<7°a EM 8 2To+ut 22+ tat—+227- 21051—4515 {4‘93 ': [mu-"551$ : IOHLI ($30 .51 COVN av \- \“O +\\M a Bow «M Chapter 9, Problem 44. Calculate i(t) in the circuit of Fig. 9.51. ‘ *‘1 50cos(200t) V - [0 m" 3:1 NW— VZSO <°°V W %L=;3QL:$(aooX10-\6fl’)= i3 51 A Z- : ‘1'//2L// (fl +331) : 0,55,30H 51 A av . 1“: 50“ v _—. 9 <4?! A 331+ (0.55-0.H‘QSZ Figure 9.51 Chapter 10, Problem 13. Determine Vx (see Fig. 10.62), using any method of your choice. C50“): :7 (A: \Z: 29.4(L9.7°l/ \762 H03 425° V ...
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