APS Excellence in Physics Education Award
November 2019
Science SPORE Prize
November 2011
The Open Source Physics Project is supported by NSF DUE-0442581.
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Point Charge Electric Field JS Model Documents
This material has 4 associated documents. Select a document title to view a document's information.
Main Document
written by
Wolfgang Christian and Anne Cox
The Point Charge Electric Field JavaScript model shows the electric field from one or more point charges. The simulation displays the electric field using color-coded unit vectors together with a draggable an test charge and its force vector. The field magnitude is shown in a yellow message box near the bottom of the view as the test charge is dragged.
The Coulomb's Law and Electric Field JavaScript model was developed using version 5 of the Easy Java Simulations (EJS 5) modeling tool. Although EJS is a Java program, EJS 5 creates stand-alone JavaScript programs that run in almost any browser.
Published August 16, 2016
Last Modified August 18, 2016
 This file has previous versions.
Supplemental Documents (2)
Add more test charges to study electric field properties.
Last Modified August 27, 2016
Explore electric field properties by allowing test charges to move under the influence of the field.
Last Modified August 27, 2016
Source Code Documents
This source code zip archive contains an XML representation of the Point Charge Electric Field JS Model. Unzip this archive in your Ejs workspace to compile and run this model using EJS 5. Although EJS is a Java program, EJS 5 creates a stand alone JavaScript program from this source code.
Last Modified August 18, 2016
This file has previous versions.
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Coulomb's Lae and Electric Fields JS Model
