1998
DOI: 10.1119/1.18965
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Examining tensors in the lab: The dielectric permittivity and electrical resistivity of wood

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Cited by 11 publications
(7 citation statements)
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“…Note, however, that for an anisotropic medium the dielectric susceptibility is a second-rank tensor i j (F m Ϫ1 ). Perkalskis and Freeman 19 demonstrated the tensor properties of anisotropic dielectric materials to great effect using a cylindrical capacitor. The dielectric displacement vector D represents the total surface charge density induced in the dielectric Dϭ⑀ 0 EϩP.…”
Section: Determination Of the Dielectric Susceptibilitymentioning
confidence: 99%
“…Note, however, that for an anisotropic medium the dielectric susceptibility is a second-rank tensor i j (F m Ϫ1 ). Perkalskis and Freeman 19 demonstrated the tensor properties of anisotropic dielectric materials to great effect using a cylindrical capacitor. The dielectric displacement vector D represents the total surface charge density induced in the dielectric Dϭ⑀ 0 EϩP.…”
Section: Determination Of the Dielectric Susceptibilitymentioning
confidence: 99%
“…To begin with, wood exhibits negligible magnetic properties, meaning that the relative permeability was set equal to μ r =1. Moreover, extensive bibliography exists regarding the relative permittivity [ 29 31 ]. Based on field measurements, the average water content was found to be 10.9%.…”
Section: Methodsmentioning
confidence: 99%
“…where C is the integration constant. In figure 4 we visualize the course of electric lines according to equation (6). It is seen, that due to the anisotropy effect (k = 1) these lines are bent.…”
Section: Coulomb's Lawmentioning
confidence: 99%
“…Mele [5] has considered the screening of a point charge by an anisotropic medium. In reference [6], it has been shown that anisotropic tensor properties can, in fact, be examined even on an introductory level in the lab. Costa Ribeiro et al [7] have described a simple experiment for the determination of magnetic anisotropy in undergraduate laboratories.…”
Section: Introductionmentioning
confidence: 99%