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American Journal of Physics -- November 2000 -- Volume 68, Issue 11, pp. 1002

Surface charges and fields of simple circuits

Norris W. Preyer

Department of Physics and Astronomy, College of Charleston, Charleston, South Carolina 29424

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Interest in the surface charges on circuits, and their utility in the conceptual understanding of circuit behavior, has recently increased. Papers and textbooks have discussed surface charges either with qualitative diagrams or analytic results for very special geometries. Here, I present the results of numerical calculations showing the surface charges on several simple resistor-capacitor circuits. Surface charges are seen to guide the motion of charges and create the appropriate electric potential and Poynting vectors for the circuit, and hence are an important factor in the teaching of circuit theory. © 2000 American Association of Physics Teachers.

© 2000 American Association of Physics Teachers

KEYWORDS and PACS

Keywords

teaching, surface charging, circuit theory, resistors, capacitors

PACS

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History
Received Oct 1999
Accepted Mar 2000

PUBLICATION DATA

ISSN

0002-9505 (print)  

Publisher

$abstract.society.value is a Member of CrossRef American Association of Physics Teachers

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1119/1.1286115

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