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2006_001

# 2006_001 - %m EE 325m Engineering Electromagnetics ’0 0...

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Unformatted text preview: %m EE 325m _/ Engineering Electromagnetics ’0 0 Quiz #1 June 25, 2006 Problem #1. Four identical point charges of 4 pC each are located at the corners of a square 0.5 mm on a side in free space. How much work must be done to move one charge to a point equidistant from the other three and in the wlane? _, - f K I A ‘. [‘VCU W/g’: Lt ' (7" E ﬂ 53222555006 AWL New 2 Name Problem #2. A point charge of 16 11C is located at Q(2,3,5) in free space, and a uniform line charge of 5 nC/ m is at the intersection of the planes x = 2 and y = 4. If the potential at the origin is ( 0 .V m ﬁnd Vat P(4,1,3). (Wrougp A; 38364”) BB 325 / \/ / ( 3 June 25‘} 2006 [/1 Z, 47 / / é a /) ‘ Name Problem #3. Two conducting planes are located at z = 0 and 6 mm. In the region 0 < z < 2 mm, there is a perfect dielectric for which 8R1 = 2; for 2 < z < 5 mm, let Egg 2 5. (a)air;:319§“ F (b) em,- = 4 I)“ F (c) an; 47% F 5 ((1) copper. ‘ 1% F {614 ML LHV V4”) / We“ , EE 325n June 25, 2006 Problem #4. Two concentric conducting spheres of radii a = 5 cm, 17 = 20 cm, have dielectrics 8R1 =2, 0 < 6 < n/Z, and 810:5, n/Z < 6 < 1:, separating them. Assume Em = 200 V/m at r: 10 cm, 6 : 28°, = 106°, and ﬁnd: OJ Z «1) 52/ 790 0/7) 2 ,_... ‘ r2 @ — ’ E), 441/‘é1/L-l4‘“ (aimxio , JqW/Z(DH+DI’2> X %> Qﬂﬁ (Iﬂ/im’yarEél/A/i C ”b" ??’01X10 / ﬂ: 7 70' {ﬂ \ Q 3 [/3 WW”? I f : (gqugyL 28 ! ‘W/‘P/g (‘ ’ 2 Q ‘ ///L7— 5 (a is?” 1 j 3 €c’2d / ...
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2006_001 - %m EE 325m Engineering Electromagnetics ’0 0...

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