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Image charge inclusion in the dielectric sphere revisited

Redzic, Dragan and Eldakli, Mohsan and Redzic, Milan (2012) Image charge inclusion in the dielectric sphere revisited. European Journal of Physics, 6 (33).

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Van Siclen (1988 Am. J. Phys. 56 1142) reported a curious property of a dielectric sphere in the field of an external point charge: the field outside the sphere generated by the combination of the original charge exterior and the Kelvin image charge interior to the sphere is independent of the permittivity of the sphere. In this paper,we simplify and correct the original derivation and give a detailed analysis of the sources of the field. We also present various checks for the theory, providing instructive exercises for advanced undergraduates.

Item Type:Article (Published)
Subjects:Physical Sciences > Physics
Engineering > Electronic engineering
DCU Faculties and Centres:UNSPECIFIED
Publisher:Institute of Physics
ID Code:17553
Deposited On:26 Oct 2012 10:48 by Milan Redzic. Last Modified 26 Oct 2012 10:48

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