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hw9_p5405_f03

# hw9_p5405_f03 - moment terms(as 1b 4 JDJ chapter 4-10 5...

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HW 9 Phys5405 f03 due TU 12/9/03 1a) For a pure electric dipole, show that the quadrupole term vanishes. 1b) For the charge densities shown in (a) and (b) of JDJ 4-1, 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 approximate one up to and including the quadrupole term. 2) JDJ 4-2 part a. Don’t worry about energy term for now. 3) Use the charge density of JDJ chapter 4-7 and obtain the charge, dipole, and quadrupole
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Unformatted text preview: moment terms (as 1b). 4) JDJ chapter 4-10. 5) Consider the illustrative example done in class with three dielectrics between parallel plates at potential diﬀerence V. Suppose that none of the dielectrics have any conductivity. What is the E in each dielectric, what is the surface charge density on every surface (bound and free), and what is the capacitance per unit area of the device? 1...
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