Michigan State University
Michigan State University: Physics: Electric Fields and Potentials
Defines electric potential, field lines, and equipotential lines. Contains example problems and formulas for solving.
American Association of Physics Teachers
Com Padre Digital Library: Open Source Physics: Point Charge Electric Field
Investigate with the electric field around one or two charged particles at different points along a line in this physics simulation.
American Association of Physics Teachers
Com Padre Digital Library: Open Source Physics: Electric Field: What Is Wrong?
What's wrong with this model? Students expect simulations to show factual science concepts, but these particular simulations are intentionally built incorrectly. The objective is to find where the physics concerning electric fields is...
American Association of Physics Teachers
Com Padre Digital Library: Open Source Physics: Electric Multipole Field Model
Simulation demonstrating how a point charge, a dipole, or a quadrupole shows field vectors or voltage. Change the charge and see the electric field direction and magnitude, and then record the detector values using a built-in data...
Wikimedia
Wikipedia: Charles Augustin De Coulomb
Spanish-language site lets students discover the life and work of this physicist and engineer, who is known for his studies of electric charges.
American Association of Physics Teachers
Com Padre Digital Library: Open Source Physics: Point Charge Forces in 2 D Model
In this simulation, examine the electric force that a charged particle gains from nearby charged particles in a two-dimensional state. See the net electric force shown as an arrow attached to the particle.
American Association of Physics Teachers
Com Padre Digital Library: Open Source Physics: Point Charge Forces in 1 D Model
Virtual simulation investigating the electric force that one charged particle exerts on another. Plot a graph of the electric force as a function of position.
Oswego City School District
Regents Exam Prep Center: Electricity: The Mouse Cheese Analogy
This page uses a mouse and cheese analogy to show the relationships involved in electricity through currents and charges. Among the topics covered by the analogy are voltage, resistance and electromagnetism.
American Association of Physics Teachers
Com Padre Digital Library: Open Source Physics: E X B Trajectory Model
Simulate the motion of a charged particle in electric and magnetic fields, and then complete the equations of motion using the Lorentz force law.
Wikimedia
Wikipedia: Electrical Potential
Wikipedia provides detailed information on electrical potential, including a definition, introduction, and mathematical formulas.
University of St. Andrews (UK)
University of St. Andrews: Physics and Astronomy: Electric Potential and Charge
From The Scots Guide to Electronics web site. The meaning of electric potential is described. A combination of diagrams and words are used to explain this difficult concept without the use of mathematics. Very well done!
American Association of Physics Teachers
Com Padre Digital Library: Open Source Physics: Charge Trajectories
Investigate a the forces exerted on a charged particle by electric and magnetic fields. Initially, find out how the charge behaves in an electric field. Then, see how the charge behaves in a magnetic field. Finally, initiate both fields...
Georgia State University
Georgia State University: Hyper Physics: Point Charge Potential
This site from the Georgia State University explains the concept of electric potential about a point charge or combination of severat point charges. An interactive JavaScript form allows the visitor to investigate the effect of distance...
Wikimedia
Wikipedia: Proton
Wikipedia offers information on the proton, a subatomic particle with a positive electric charge. Many hyperlinked terms.
Georgia State University
Georgia State University: Hyper Physics: Voltage
Electrical currents and voltage are defined and illustrated.
Georgia State University
Georgia State University: Hyper Physics: Capacitors
Online university physics text called "Hyperphysics". Three sections here: Capacitors, Capacitor Combinations, Charge on Series Capacitors. These are nice clean lessons, good illustrations, many hotwords to assist. A fine online lesson,...
CK-12 Foundation
Ck 12: Physics: Electrostatics Study Guide
Review your understanding of Electrostatics with this easy-to-read study guide.
American Association of Physics Teachers
Com Padre Digital Library: Open Source Physics: Three Point Charges Model
In this simulation, investigate the force between charged objects. Rank three charged objects of different magnitudes, then create a method to determine the ranking of the charge magnitudes. Finally, devise a new method of determining...
American Association of Physics Teachers
Com Padre Digital Library: Open Source Physics: Parallel Plate Capacitor
A simulation investigating a parallel-plate capacitor which is charged by connecting one plate to the positive end of a battery, and the other plate to the negative end. The battery sends electrons from one capacitor plate to the other...
University of St. Andrews (UK)
University of St. Andrews: Charles Augustin De Coulomb
A large complete authoritative biography of Coulomb. Five large pictures, over a dozen links to contemporaries, references, a poster, other mathematicians. A fine source.
Georgia State University
Georgia State University: Hyper Physics: Equipotential Lines
At this site from the Georgia State University, the equipotential lines around several different configuration of charges are shown and described. Excellent graphics and clear discussion.
Wikimedia
Wikipedia: Atomic Number
Wikipedia provides the definition of the term, "Atomic number," a term used in chemistry and physics to represent the number of protons in the nucleus of an atom.
National High Magnetic Field Laboratory
Magnet Academy: Robert Millikan
Robert Andrews Millikan was a prominent American physicist who made lasting contributions to both pure science and science education. He is particularly well known for his highly accurate determination of the charge of an electron via...
American Association of Physics Teachers
Com Padre Digital Library: Open Source Physics: Faraday Disk Dynamo Model
This simulation demonstrates a rotating conducting disk in a magnetic field which produces a current or a self-exciting dynamo.