2007_002 - 1mm Ox 7'7 EE 325 ELECTROMAGNETIC ENGINEERING A...

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Unformatted text preview: 1mm: . Ox: 7 '7 EE 325 ELECTROMAGNETIC ENGINEERING A Quiz #1 [0 (:3 June 26, 2007 1 n I \ Name Problem #1. Two parallel conducting plates each have a surface area of 2 m2. Their separation is 1.25 mm in frgee_§pace. A 100—V battery is connected across them and then removed. {~36 (a) Give the magnitude of V0, E, D, p5, Q, W5, and C. (b) A sheet of dielectric, 1 mm thick and with the same shape and area as the plates, is now slipped carefully between the plates. If 8R = 5 for the sheet, give the magnitude of V0, ps, Q, W5, and C, and also E and D in the dielectric material. I/'\. ’— 3 $‘g‘fihkt'g. 2‘ . M . . (gill ’ '- //'//) KJ—Wz 1:":- ‘rlifiEE-iiafl 5’ & IE: ,, \ ‘R \\ r J . 2;“ 1/m t1,c\,:§ C —-—\- ‘5. \OG 11‘10N/w ’5“; ivv'fi‘QW—ijiixm, .1 (9% " / \ A” \NWM" ’ 5" A / j 4‘ w “a?” n JO 0 Oz :: §GWIX3VW Ll’Litifimz fiwh’: Sr: ._/ , I Mafia x LR \HNVQVQ I! ‘\‘ \C} a If M. m. 2.1.3-:32 m «>4 G5 g6 \{t’ {’tiivdufi / ‘v x. Par i: ‘39 Arm? SIM Name 1313 Electromagnetic Engineering Problem #2 A capacitor is to be constructed from two metallic plates, each 2 m2 in area, separated by 2 mm. Given 1.5 x 10-3 m3 of a dielectric material with an = 4, how should the dielectric be used to maximize and to minimize the capacitance between the plates, and what is Cmax and Cmin. V'LT M1 4- 0.7fm'b Ce, : F 1; 44.04....“ CL kt ID M V” 5 ’2 v4!" F” m x, P\0VV\(,\ \rD‘LCGkA/Lgfi. Wham {\VmwA/L tw. G 4M,£‘A?§’~3 ‘A {Q’éflf K 1’1 vi 09: 8,3 : 8° . \flj— ‘. A 2 _‘ '5 V‘L ‘ '\ n i 8083 mka ~ I "A‘? Jr ‘ 2 A n . a AVG (- r V, s n i» u -3 33 a" I s x Sax/AVG , LbflO - \§?\\C> m C; T 1:34, WOW MK Wu. f. {‘3 CA)? #23:?— \ fl NW my \ Gag KYTQ‘Q’Z 5 / Q — “CL : ~— 1?; Mug 1 \o F 1 a” .(‘4‘5‘ Q \ 42% I _ L//’ Cr w-Z—m‘z V63“ 9:“ Lila}; \MSQ tidal F a Q? m \o 1/ flékk” ‘\/ n _\ a L flx'g w \ ,. ngv: QM \(é 49$? :59) MC: w \22 7?, “Gag ,,,,, .m/ F C l & EE Electromagnetic Engineering ill/Vi ‘» r ,3 lam/g Name Problem #3. Three identical point charges of 4 HC each are located at the corners of an equilateral triangle 0.5 mm on a side in free space. How much work must be done to move one charge to a point midway between the other two? w Q). lfifg 12;.- V . g ’3'. IQ x w +~ \f 5%.” »< é’fis“ v 3/ \ K3 JV ‘5. 3 “ \GVJC/‘k wa: _, ,/= r' l ‘ E I‘ F Q / ~~ "‘ : Lle r. a .Wshf‘xro“3 w ,fmo‘j/ LN“ V; mm «(5. °.‘ ‘mizs‘rx/o k at , ’[Ii ‘ x", 9M, 1" ‘ h. — Q‘V 1 Whole ' 1 (“Him/WOW 3 $759 A ...
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This test prep was uploaded on 03/19/2008 for the course EE 325 taught by Professor Brown during the Spring '08 term at University of Texas.

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2007_002 - 1mm Ox 7'7 EE 325 ELECTROMAGNETIC ENGINEERING A...

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