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EEE224_Fall09_Quiz3_solution

# EEE224_Fall09_Quiz3_solution - ‘ NAME.So lo ’ilOf‘...

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Unformatted text preview: ‘ NAME: .So lo ’ilOf‘ EEE—224 QUIZ # 3 December 03, 2009 (2.1) In a dielectric material for which a = 250 and potential distribution V = 300:2 , ﬁnd: (a) Electric ﬁeld intensity E , and the electric ﬂux density 5 i (b) Volume charge density pr . (c) Polarization vector P , and polarization volume charge density pm. Q.2) The potential ﬁeld V = 2x232: — y32 exists in a dielectric medium having a : 250 . (a) Does Vsatisfy Laplace’s equation? (b) Calculate the total charge within the unit cube 0 < x, y, z < l in . VZV:O (LaPlaca, eqn.) "v- "v _ 4c __ “7;: 10‘5““ 6r) “’7- ‘ 25% e0 (down? 50-}?fo .quglace 27(1) 29: 4 4 A Q: declu 11460; fit)? axajcla :Ltéo [3&3 jade 0' o o 0 ° ° ...
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