Electric Charge

E-Field is an educational tool for demonstrating electric field lines and electric potentials generated by electric point charges. Platforms: Windows, Mac, Linux

A program which simulates the motion of particles due to electric charge and gravitational force. Calculations are done in two dimensions, without care given to real world factors such as air resistance, although such functionality may be added later. Platforms: Mac, BSD, Linux

The Point Charge Forces in Two-Dimensions model investigates the electric force that a charged particle experiences in a two-dimensional situation, because of four other nearby charged particles. The net electric force is shown as an arrow attached to the particle. Note that each particle can be... Platforms: Mac

The Point Charge Electric Field Demo model shows the electric field with multiple point charge configurations and vector field visualizations. Users can select these configurations from a drop down menu or can create their own configurations. The Point Charge Electric Field Demo model was... Platforms: Mac

The Point Charge Electric Field in 1D model investigates the electric field at various positions along a line, when there are either one or two charged particles on that line. The electric field is represented in two ways. First, there is a movable positive test charge that you can move along the... Platforms: Mac

This interactive simulation allows students to explore the concept of electric field in a 2-dimensional situation. Users can place one to five charged particles on the field and move a test charge around the plane. A grid of field vectors can also be activated to show the direction of the... Platforms: Mac

The EJS Electric Multipole Model of a point charge (monopole), a dipole, or a quadrupole can show either field vectors or the scalar potential (voltage). A slider changes the charge and a movable detector shows the electric field direction and magnitude or measures the potential. Detector values... Platforms: Mac

The Point Charge Forces in One-Dimension model investigates the electric force that one charged particle exerts on another. It is a very simple representation that promotes understanding of Coulomb's Law in three ways: First, students can set the amount of charge on each particle and view vector... Platforms: Mac

Play ball! Add charges to the Field of Dreams and see how they react to the electric field. Turn on a background electric field and adjust the direction and magnitude. (Kevin Costner not included). * Explain the relation between the size and direction of the blue electric field lines to the sign... Platforms: Mac

In this simulation, you can investigate the electric field at various positions along a line, when there are either one or two charged particles on that line. The electric field is represented in two ways. First, there is a movable positive test charge that you can move along the line to sample... Platforms: Mac

Electric Fence (efence) is an open-source library to detect buffer overruns and under-runs in C programs. Here you can find a further development of the original from Bruce Perens. This version includes * a port to MS Windows® NT/2K/XP systems/compiler * extensions for finding memory-leaks *... Platforms: *nix

Bio::Tools::Run::PiseApplication::charge is a Perl module. Bio::Tools::Run::PiseApplication::charge Bioperl class for: CHARGE Protein charge plot (EMBOSS) Parameters: (see also: http://bioweb.pasteur.fr/seqanal/interfaces/charge.html for available values): charge (String) init... Platforms: *nix

Electric Power Cost Calculator is a small application written in Java that will compute how much it costs to do various activities that involves electricity consumption. This information lets you save money and put less stress on the environment. It uses built in tables of electricity cost in... Platforms: Windows, XP, Windows Vista, 7, 7x64

Electric Hermes is a truetype font that will allow you to give a fresh new look to all of your written documents. All you have to do is install the font onto your PC and use it for writing your texts to see how it will change their appearance. for WindowsAll Platforms: Windows

Charge When Ship Made Easy is a free tool for Amazon Pro Merchants that makes order confirmation easy. http://OglieOglie.com/ChargeWhenShipMadeEasy.htm Here's how it works: 1. Start CWSMadeEasy 2. (Optional: set a cutoff time to confirm only orders received by a certain date/time) 3. Click... Platforms: Windows

I hope to include an insurance charge to the shipping charge, which is based on a table rate of the total order amount, in addition to the table rate of the shipping weight that the zone shipping module support.I scanned through the contribution list and cannot find one which suit my purpose, so... Platforms: Windows, *nix, PHP, BSD

Payment Type Charge order total class that lets you set a percentage based charge depending on the payment type the customer uses. Platforms: Windows, *nix, PHP, BSD

The EJS Linear Charge Gauss's Law model shows a Gaussian surface and allows for the measurement of the charge enclosed and surface area of the surface. Users can change the radius of the linear charge as well as the size of the Gaussian surface. Users can modify this simulation if Ejs is... Platforms: Mac

The EJS Electric Field: What is Wrong? Package is a collection of models for electrostatics with errors intentionally built into each model. Users can move charges around and see the force, observe the electric field generated by charge configurations, and observe the motion of test particles in... Platforms: Mac

The Charge Falling Through a Charged Ring model shows the dynamics of a charged ball as it is released and falls through a ring of charge. The ball and the ring can be charged with a positive blue) or a (red) negative charge in order to change the interaction. Platforms: Mac