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HW 10 Phys5405 f05 due 12/6/05
1a) For a pure electric dipole, Q and Q separated by distance d, show that the monopole
and quadrupole terms vanish.
1b) For the charge densities shown in (a) and (b) of JDJ 41, ﬁnd the dipole moment and
all the quadrupole terms (ie Q
xx
). For part b get the complete potential in the xy plane
from Coulomb’s law. For points far from the origin compare the full potential with the
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Unformatted text preview: approximate one up to and including the quadrupole term. 2) JDJ 42 part a. Don’t worry about energy term for now. 3) Use the charge density of JDJ chapter 47 and obtain the monopole, dipole, and quadrupole moment terms (as 1b). 4) JDJ chapter 410. 5) Use the geometry of JDJ 413, neglect edge eﬀects, and calculate the capacitance in terms of the constant susceptibility, χ . 1...
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This note was uploaded on 12/24/2011 for the course PHYS 5406 taught by Professor Blecher during the Spring '10 term at Virginia Tech.
 Spring '10
 Blecher
 Charge, Magnetism

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