Name l,t')l t Prht (last, ftst)web.eecs.utk.edu/~wlg/ece_300_fa_07/files/Test1B.pdfName l,t')l t...
Transcript of Name l,t')l t Prht (last, ftst)web.eecs.utk.edu/~wlg/ece_300_fa_07/files/Test1B.pdfName l,t')l t...
![Page 1: Name l,t')l t Prht (last, ftst)web.eecs.utk.edu/~wlg/ece_300_fa_07/files/Test1B.pdfName l,t')l t Prht (last, ftst) Work the exam on your otrr engineering paper, Work on oue side of](https://reader035.fdocuments.us/reader035/viewer/2022062607/60567d9cc1c4a76a9c30bc4c/html5/thumbnails/1.jpg)
ECE 300Spring Semester, 2007
Test #1a
(
wlg Test B
3 A
/).'-
,1v
Name l,t')l tPrht (last, ftst)
Work the exam on your otrr engineering paper, Work on oue side of your paper ody. Attach yourwork to the back ofthis exam sheet and staple in the top left hand coriei tacn proftem ZOZ.(l) You are given Lhe circuit olFigure .
(a) Use mesh aaalysis to find the curents il, ir, i3 ard ia.(b) How much power is supplied by the 24 V souce?(c) How much power is dissipated by the 3 C) rcsistor?
4 ( l
;l4 0
/ ' tk/ r )/,-/
i\. )1. /
+^
![Page 2: Name l,t')l t Prht (last, ftst)web.eecs.utk.edu/~wlg/ece_300_fa_07/files/Test1B.pdfName l,t')l t Prht (last, ftst) Work the exam on your otrr engineering paper, Work on oue side of](https://reader035.fdocuments.us/reader035/viewer/2022062607/60567d9cc1c4a76a9c30bc4c/html5/thumbnails/2.jpg)
Torl ))
a- 2+ + + 4/ , /n'- e a 1,,>-2'4) /2(_i, -;,) =D
/ hr', ] /tz - a)z -?t+ _ pt' |
l lB
/ (z'+-4) * A1a'q-../") /1 / 4)4. =' o
(
Zt rz ' /- aont y' r. a.n L
)r- ' / ' . : 4
:), +,4'>. o ut)s / D4/ = +ll - r
-/t 1 = * -<-
bL'-2/. -a -J
*/ /oo0/
, . t t '=-0,4 77 A
-)" = - AQ
-1fr-1 f 1-'lll, I l2rl? ll), I l-n lD ll'al I+l
l i / | I - l2 l l '1 | l- - l
) - )
./- -j,sx fr
![Page 3: Name l,t')l t Prht (last, ftst)web.eecs.utk.edu/~wlg/ece_300_fa_07/files/Test1B.pdfName l,t')l t Prht (last, ftst) Work the exam on your otrr engineering paper, Work on oue side of](https://reader035.fdocuments.us/reader035/viewer/2022062607/60567d9cc1c4a76a9c30bc4c/html5/thumbnails/3.jpg)
( '
(2) Use any method ofyour choice to answer the following questions about the circuit ofFigure 2.(a) Detemine the voltage V. as shown in Figure 2.(b) How much power is absorbed by the 1 0 C) resistor shown in Figue 2.
Fttul ,-, e o ttta,Q/,nozQ< va /y'aj z,
/h(1&U).L, 1(
a, fu",t rt a4
12V
1 )vx.
(
/Vr -RVot,
5Yx - /D
t,1
/J-v- /./a
u/ -)2
Vo t)Vs I
V, / v, - /a :t) /6, =' /z- V x
5 vx -/o ft= - vr)
28V' /?a174 yo ,= €.57 v
Iy : !:4-
Vn I P,Ur = /2a/>7a
2
![Page 4: Name l,t')l t Prht (last, ftst)web.eecs.utk.edu/~wlg/ece_300_fa_07/files/Test1B.pdfName l,t')l t Prht (last, ftst) Work the exam on your otrr engineering paper, Work on oue side of](https://reader035.fdocuments.us/reader035/viewer/2022062607/60567d9cc1c4a76a9c30bc4c/html5/thumbnails/4.jpg)
(3c,
i:"02Yo t2v
Va ln e29 /Jzo/r+i"
4l ,4, .d, €?t-V>:o
-?l/o /42', r la,/z)-z'r)=o
(
/l ///
/ ,,{ Vb
?2,/b ,, /
/ l 8,, .Dt zttoV> =a
lo 1;,-,',) / 3)z / /e = o
/-:t'),--/ /;;;-: :;;j-G--"ti,l--r -l/ll,l=J\L"'," t7 )L',-) l-',)
![Page 5: Name l,t')l t Prht (last, ftst)web.eecs.utk.edu/~wlg/ece_300_fa_07/files/Test1B.pdfName l,t')l t Prht (last, ftst) Work the exam on your otrr engineering paper, Work on oue side of](https://reader035.fdocuments.us/reader035/viewer/2022062607/60567d9cc1c4a76a9c30bc4c/html5/thumbnails/5.jpg)
(3) Use any method to find the voltage Vab in the circuit ofFisme 3.a
l t /Ur. n0P4j / / , ^4 /q+,3 z- .2
)
5vx-/5o * /o)t,-7oo
lTvx = )/o, l/, = )2,7aV
A?t/, LYL, 2 r;rn>'. oYqb * 2o * !r:e>
/,rrp
Uy / 2a
1/x
t t a l ) / 40 *a(
a / 'W .e/
Vqb = -3o-,Vx - -Jr , j ; - /
![Page 6: Name l,t')l t Prht (last, ftst)web.eecs.utk.edu/~wlg/ece_300_fa_07/files/Test1B.pdfName l,t')l t Prht (last, ftst) Work the exam on your otrr engineering paper, Work on oue side of](https://reader035.fdocuments.us/reader035/viewer/2022062607/60567d9cc1c4a76a9c30bc4c/html5/thumbnails/6.jpg)
(3) Use any method to fiad the voltage V"1 in the ctucuit of Figue 3.
'Ltar-g ,nae h azz<1rae,Z
- /,J i'v2/ ea L, ol
7C
fo- -,'1[),] @1| -,, "" \Lu,J= L=.)
),: a.t6a tr )2.. p,L4
v tL y' 5o) z = a
1 ft ar<
![Page 7: Name l,t')l t Prht (last, ftst)web.eecs.utk.edu/~wlg/ece_300_fa_07/files/Test1B.pdfName l,t')l t Prht (last, ftst) Work the exam on your otrr engineering paper, Work on oue side of](https://reader035.fdocuments.us/reader035/viewer/2022062607/60567d9cc1c4a76a9c30bc4c/html5/thumbnails/7.jpg)
(4) Find R€q for the circuit ofFigue 4.
7r,
f/a,rl"Y rf /ho/a// b
/ta zt 4 -.
, ,r '3 t4-
/=
/rtb
/2-
/2-Llv
('
lko-
AnP
t-I t2
g++
1z l\
41\
*4-
- \a- t q / L
2+ -'b
![Page 8: Name l,t')l t Prht (last, ftst)web.eecs.utk.edu/~wlg/ece_300_fa_07/files/Test1B.pdfName l,t')l t Prht (last, ftst) Work the exam on your otrr engineering paper, Work on oue side of](https://reader035.fdocuments.us/reader035/viewer/2022062607/60567d9cc1c4a76a9c30bc4c/html5/thumbnails/8.jpg)
(5) You are givel the circuit ofFigwe 5. Use any method to find the voltage v2.
r {'1", L$
+-v?5
u-J.-nJ'---Vx
-A\o t
- 2 Y >--
\J z = *
2'r- -a\---o
rl o
t\l
^ap
Vr- - ' lo -"X\--olo
![Page 9: Name l,t')l t Prht (last, ftst)web.eecs.utk.edu/~wlg/ece_300_fa_07/files/Test1B.pdfName l,t')l t Prht (last, ftst) Work the exam on your otrr engineering paper, Work on oue side of](https://reader035.fdocuments.us/reader035/viewer/2022062607/60567d9cc1c4a76a9c30bc4c/html5/thumbnails/9.jpg)
(6) This problem is lor exha credjL. pan (a) is lor I poinr. pan (b) is for I poinrTherc is no partial credit given. Itr each case, thi answer is eitirer
"o.r"ii o, oo,
"o,'"",.(a) Find tlle voltage V"b indicated in the diagrarn ofFigure 6 (a)
6rr
Vut: i{5xto \ovIrtS
(b) Giye the value ofthe current Ix ir the 12 Q resistor, up to the second signihcant decimal place,for the circuit shown Fieule 6b.
l0o rx
I
1 M O
, l ,l.
rn-> ,Q5 v(0
2. j-'[', J
r/.( l t1--
^l r\".-J
9,rso - '-
+Jof'2u"*-'