Electric Interaction between Two Identical Conducting Spheres in a Uniform Electric Field

• Authors: X. Gao , Q. Wang , C. Li , L. Hu , G. Sun
• Languages of publication: EN

Abstracts

EN

An experimental apparatus is devised to measure the interaction between two spheres separated by a small gap in a uniform electric field. The results show that the interaction between two conducting spheres is near that between two dielectric spheres with high permittivity. Accordingly, the calculation can be simplified by mirror image method, for it is only available for conducting system. A method using multiple mirror images of point charges is put forward to analyze the induction of two identical conducting spheres in a uniform electric field. The key operation on how to add compensative charges is emphasized and given out in detail. The results from experiment and calculation are compared, and they agree with each other very well.

Keywords

EN

41.20.Cv; 47.65.Gx

Discipline

• 47.65.Gx: Electrorheological fluids
• 41.20.Cv: Electrostatics; Poisson and Laplace equations, boundary-value problems

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2015
• Volume: 128
• Issue: 3
• Pages: 289-293

Dates

published

2015-09

received

2015-01-18

(unknown)

2015-10-02

Contributors

author

X. Gao

• College of Science, Guizhou University, Guiyang 550025, China

author

Q. Wang

• Beijing National Laboratory for Condensed Matter Physics and Key Laboratory of Soft Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China

author

C. Li

• Beijing National Laboratory for Condensed Matter Physics and Key Laboratory of Soft Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China

author

L. Hu

• College of Science, Guizhou University, Guiyang 550025, China

author

G. Sun

• Beijing National Laboratory for Condensed Matter Physics and Key Laboratory of Soft Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China

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Identifiers

DOI

10.12693/APhysPolA.128.289