exam2 - b) ( z ) = k sin( z/a ) where k is a constant. (10...

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PHY 3323 November 2, 2009 Exam #2 . . . correpta sub undis Scuta virorum galleasque et corpora volvit . . . Apparent rari natantes in gurgite vasto. Virgil Aeneid I, 100-1, 118 (1) A point charge q of mass m is released from rest at a distance d from an inFnite grounded conducting plane. How long will it take for the charge to hit the plane? (25 points) (2) A thin insulating rod, running from z = - a to z = + a , carries the indicated line charge densities λ ( z ). In each case Fnd the leading term in the multipole expansion of the potential. a) λ ( z ) = k cos( πz/ 2 a ) where k is a constant. (10 points)
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Unformatted text preview: b) ( z ) = k sin( z/a ) where k is a constant. (10 points) c) ( z ) = k cos( z/a ) where k is a constant. (10 points) (3) A point charge q is imbedded at the center of a sphere of linear dielectric material with susceptibility e and radius R . a) What is the electric displacement vector? (10 points) b) What is the electric Feld vector? (10 points) c) What is the Polarization vector? (10 points) d) What is the bound charge density b and the bound surface charge density b ? (10 points)...
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This note was uploaded on 12/15/2011 for the course PHY 3323 taught by Professor Staff during the Spring '08 term at University of Florida.

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