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supported by the National Science Foundation
educational validator: John Belcher
technical implementer: Andrew McKinney
published by the Massachusetts Institute of Technology
This interactive Java simulation illustrates the field pattern created by two point charges with opposite signs of charge. Users can change the position and magnitude of charge and the field configuration will update automatically. Three field visualizations can be applied to the simulation: vector field, electric potential lines, and "grass seeds".  

This item is part of a collection of visualizations developed by the MIT TEAL project to supplement an introductory course in calculus-based electricity and magnetism.
Lecture notes, labs, and presentations are also available as part of MIT's Open Courseware Repository:
MIT Open Courseware: Electricity and Magnetism

Please note that this resource requires Java Applet Plug-in.
Subjects Levels Resource Types
Electricity & Magnetism
- Electric Fields and Potential
= Electrostatic Potential and Potential Energy
- Electrostatics
= Coulomb's Law
- Lower Undergraduate
- High School
- Middle School
- Instructional Material
= Interactive Simulation
Intended Users Formats Ratings
- Learners
- Educators
- application/java
- text/html
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Access Rights:
Free access
License:
This material is released under a Creative Commons Attribution 3.0 license.
Rights Holder:
MIT Open Courseware (OCW): http://ocw.mit.edu/OcwWeb/web/terms/terms/index.htm
Keywords:
dipole, electric dipole, electric field, electric potential, interactive simulations, point charges, representations, vector field, vector field simulation, vectors, visualization
Record Cloner:
Metadata instance created April 14, 2010 by Caroline Hall
Record Updated:
September 3, 2012 by Bruce Mason
Last Update
when Cataloged:
May 2, 2008
Other Collections:

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Record Link
AIP Format
(Massachusetts Institute of Technology, Cambridge, 2004), WWW Document, (http://web.mit.edu/8.02t/www/802TEAL3D/visualizations/electrostatics/pcharges/pcharges.htm).
AJP/PRST-PER
MIT Physics 8.02: Electrostatics - Two Point Charges, (Massachusetts Institute of Technology, Cambridge, 2004), <http://web.mit.edu/8.02t/www/802TEAL3D/visualizations/electrostatics/pcharges/pcharges.htm>.
APA Format
MIT Physics 8.02: Electrostatics - Two Point Charges. (2008, May 2). Retrieved October 31, 2014, from Massachusetts Institute of Technology: http://web.mit.edu/8.02t/www/802TEAL3D/visualizations/electrostatics/pcharges/pcharges.htm
Chicago Format
National Science Foundation. MIT Physics 8.02: Electrostatics - Two Point Charges. Cambridge: Massachusetts Institute of Technology, May 2, 2008. http://web.mit.edu/8.02t/www/802TEAL3D/visualizations/electrostatics/pcharges/pcharges.htm (accessed 31 October 2014).
MLA Format
MIT Physics 8.02: Electrostatics - Two Point Charges. Cambridge: Massachusetts Institute of Technology, 2004. 2 May 2008. National Science Foundation. 31 Oct. 2014 <http://web.mit.edu/8.02t/www/802TEAL3D/visualizations/electrostatics/pcharges/pcharges.htm>.
BibTeX Export Format
@misc{ Title = {MIT Physics 8.02: Electrostatics - Two Point Charges}, Publisher = {Massachusetts Institute of Technology}, Volume = {2014}, Number = {31 October 2014}, Month = {May 2, 2008}, Year = {2004} }
Refer Export Format

%T MIT Physics 8.02: Electrostatics - Two Point Charges
%D May 2, 2008
%I Massachusetts Institute of Technology
%C Cambridge
%U http://web.mit.edu/8.02t/www/802TEAL3D/visualizations/electrostatics/pcharges/pcharges.htm
%O application/java

EndNote Export Format

%0 Electronic Source
%D May 2, 2008
%T MIT Physics 8.02: Electrostatics - Two Point Charges
%I Massachusetts Institute of Technology
%V 2014
%N 31 October 2014
%8 May 2, 2008
%9 application/java
%U http://web.mit.edu/8.02t/www/802TEAL3D/visualizations/electrostatics/pcharges/pcharges.htm


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Citation Source Information

The AIP Style presented is based on information from the AIP Style Manual.

The APA Style presented is based on information from APA Style.org: Electronic References.

The Chicago Style presented is based on information from Examples of Chicago-Style Documentation.

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MIT Physics 8.02: Electrostatics - Two Point Charges:

Covers the Same Topic As MIT Phyics 8.02: Vector Fields - Mapping Fields Applet

This simulation is designed for learners who have mastered the basics of point charge interaction. It allows them to map their own electric fields, given choices of two-point charges, dipole in constant or no field, two-line currents, radiating dipole, and more.

relation by Caroline Hall

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