The EJS Electric Field and Potential Model shows the electric field and potential for cylindrical and spherical symmetry. In both symmetries, there are co-centric charged surfaces where the outer surface is grounded. The model reports the force on a test charge (yellow) between the co-centric surfaces as well as the voltage. You can modify this simulation if you have Ejs installed by right-clicking within the plot and selecting "Open Ejs Model" from the pop-up menu item.
The Electric Field and Potential model was created using the Easy Java Simulations (Ejs) modeling tool. It is distributed as a ready-to-run (compiled) Java archive. Double clicking the ejs_em_ElectricFieldPotential.jar file will run the program if Java is installed. Ejs is a part of the Open Source Physics Project and is designed to make it easier to access, modify, and generate computer models. Additional Ejs models are available. They can be found by searching ComPADRE for Open Source Physics, OSP, or Ejs.
Please note that this resource requires
at least version 1.5 of Java (JRE).
Electric Field and Potential Model Source Code
Source Code for the Electric Field and Potential Model program. The source code archive contains an XML representation of the Ejs model. Unzip this archive in your Ejs Workspace to compile and run this model using Ejs. download 250kb .zip
Published: May 22, 2009
Rights: This material is released under the GNU General Public License Version 3.
previous versions
A. Cox, Computer Program ELECTRIC FIELD AND POTENTIAL MODEL, Version 1.0 (2009), WWW Document, (https://www.compadre.org/Repository/document/ServeFile.cfm?ID=8997&DocID=1210).
A. Cox, Computer Program ELECTRIC FIELD AND POTENTIAL MODEL, Version 1.0 (2009), <https://www.compadre.org/Repository/document/ServeFile.cfm?ID=8997&DocID=1210>.
Cox, A. (2009). Electric Field and Potential Model (Version 1.0) [Computer software]. Retrieved March 22, 2025, from https://www.compadre.org/Repository/document/ServeFile.cfm?ID=8997&DocID=1210
Cox, Anne. "Electric Field and Potential Model." Version 1.0. https://www.compadre.org/Repository/document/ServeFile.cfm?ID=8997&DocID=1210 (accessed 22 March 2025).
Cox, Anne. Electric Field and Potential Model. Vers. 1.0. Computer software. 2009. Java (JRE) 1.5. 22 Mar. 2025 <https://www.compadre.org/Repository/document/ServeFile.cfm?ID=8997&DocID=1210>.
%A Anne Cox %T Electric Field and Potential Model %D May 22, 2009 %U https://www.compadre.org/Repository/document/ServeFile.cfm?ID=8997&DocID=1210 %O 1.0 %O application/java
%0 Computer Program %A Cox, Anne %D May 22, 2009 %T Electric Field and Potential Model %7 1.0 %8 May 22, 2009 %U https://www.compadre.org/Repository/document/ServeFile.cfm?ID=8997&DocID=1210
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