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Ejs Parallel Plate Capacitor Model
written by Andrew Duffy
A capacitor is a device for storing charge. In this simulation, you can investigate a relatively simple capacitor, known as a parallel-plate capacitor. It consists of two identical metal plates, placed parallel to one another. The capacitor can be charged by connecting one plate to the positive terminal of a battery and the other plate to the negative terminal. In this situation, the battery acts as a pump, pumping electrons from one capacitor plate to the other until the potential difference across the capacitor matches the battery voltage. Use this simulation to see how you can maximize the charge stored, the capacitance, the potential difference, the electric field, and the energy stored.

Please note that this resource requires at least version 1.5 of Java (JRE).
1 supplemental document is available
Subjects Levels Resource Types
Electricity & Magnetism
- Capacitance
= Capacitors
= Dielectric
= Energy Storage
- Lower Undergraduate
- High School
- Instructional Material
= Activity
= Curriculum support
= Interactive Simulation
Intended Users Formats Ratings
- Educators
- Learners
- Professional/Practitioners
- application/java
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Access Rights:
Free access
© 2008 Andrew Duffy
Additional information is available.
BU, Boston University, capacitance, capacitors
Record Creator:
Metadata instance created July 13, 2008 by Mario Belloni
Record Updated:
June 18, 2013 by Matt Mohorn
Last Update
when Cataloged:
June 8, 2008
Other Collections:

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Record Link
AIP Format
A. Duffy, Computer Program EJS PARALLEL PLATE CAPACITOR MODEL, Version 1.0 (2008), WWW Document, (
A. Duffy, Computer Program EJS PARALLEL PLATE CAPACITOR MODEL, Version 1.0 (2008), <>.
APA Format
Duffy, A. (2008). Ejs Parallel Plate Capacitor Model (Version 1.0) [Computer software]. Retrieved November 28, 2020, from
Chicago Format
Duffy, Andrew. "Ejs Parallel Plate Capacitor Model." Version 1.0. (accessed 28 November 2020).
MLA Format
Duffy, Andrew. Ejs Parallel Plate Capacitor Model. Vers. 1.0. Computer software. 2008. Java (JRE) 1.5. 28 Nov. 2020 <>.
BibTeX Export Format
@misc{ Author = "Andrew Duffy", Title = {Ejs Parallel Plate Capacitor Model}, Month = {June}, Year = {2008} }
Refer Export Format

%A Andrew Duffy
%T Ejs Parallel Plate Capacitor Model
%D June 8, 2008
%O 1.0
%O application/java

EndNote Export Format

%0 Computer Program
%A Duffy, Andrew
%D June 8, 2008
%T Ejs Parallel Plate Capacitor Model
%7 1.0
%8 June 8, 2008

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