the National Science Foundation
This is a Quicktime animation depicting the electric dipole field that is created when two opposite charges of equal magnitude are pulled apart. The item may be viewed as a video or in stepped motion.
This item is part of a larger collection of visualizations developed by the MIT TEAL/Studio Physics Project to support an introductory course in electricity and magnetism. Lecture notes, labs, and presentations are also available as part of the MIT Open Courseware Repository: MIT Open Courseware: Electricity and Magnetism
Please note that this resource requires
J. Belcher, MIT Physics 8.02: Electrostatics - Creation of an Electric Dipole (2004), WWW Document, (http://web.mit.edu/8.02t/www/802TEAL3D/visualizations/electrostatics/PithBallsCreate/PithBallsCreate.htm).
Belcher, J. (2008, May 24). MIT Physics 8.02: Electrostatics - Creation of an Electric Dipole. Retrieved June 19, 2013, from http://web.mit.edu/8.02t/www/802TEAL3D/visualizations/electrostatics/PithBallsCreate/PithBallsCreate.htm
Belcher, John. MIT Physics 8.02: Electrostatics - Creation of an Electric Dipole. May 24, 2008. http://web.mit.edu/8.02t/www/802TEAL3D/visualizations/electrostatics/PithBallsCreate/PithBallsCreate.htm (accessed 19 June 2013).
Belcher, John. MIT Physics 8.02: Electrostatics - Creation of an Electric Dipole. 2004. 24 May 2008. National Science Foundation. 19 June 2013 <http://web.mit.edu/8.02t/www/802TEAL3D/visualizations/electrostatics/PithBallsCreate/PithBallsCreate.htm>.
%A John Belcher %T MIT Physics 8.02: Electrostatics - Creation of an Electric Dipole %D May 24, 2008 %U http://web.mit.edu/8.02t/www/802TEAL3D/visualizations/electrostatics/PithBallsCreate/PithBallsCreate.htm %O video/quicktime
%0 Electronic Source %A Belcher, John %D May 24, 2008 %T MIT Physics 8.02: Electrostatics - Creation of an Electric Dipole %V 2013 %N 19 June 2013 %8 May 24, 2008 %9 video/quicktime %U http://web.mit.edu/8.02t/www/802TEAL3D/visualizations/electrostatics/PithBallsCreate/PithBallsCreate.htm
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A 3D interactive simulation of the electric field of two equal and opposite charges, depicted in a "grass seeds" representation. The observation point may be moved in positive or negative directions along x, y, or z.
A related animation by the same authors that shows charge separation and creation of an electric field. In this model, five negative and five positive charges of equal magnitude are shown. The positive charges are separated one-by-one at constant velocity. It clearly depicts how the electric field grows as each positive charge is moved into place.