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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
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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 (odor196’) 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 :oLl3Ll+‘l‘I?;\ RM”
3—]4
84—20° 1o _ '
(b)m+_5+ j12 ‘ 0”1‘3‘0' 99“
(c) 10+(8;50°)(5j12) : [07.3 “SLlS
was 3<m° as = comaaw 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 40kQ resistor and a 50pF capacitor. Find the steadystate 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[bDL~+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
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: 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+ (0.550.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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 Fall '11
 Rudd
 Electrical Engineering, Resistor, Following, Signal 1, The Signal

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