Explains the concept of electric potential difference and how it is calculated.

Students will learn the components of the membrane that establish the resting membrane potential, and find out the changes that occur to the membrane that result in the action potential.

Students use conductivity meters to measure various salt and water solutions, as indicated by the number of LEDs (light emitting diodes) that illuminate on the meter. Students create calibration curves using known amounts of table salt...

Practice identifying the correct placement of voltmeters and ammeters to measure an unknown circuit or electric potential difference for a circuit.

Review the components of a circuit and their symbols such as battery, resistor, and switch. Analyze how the power of a resistor is related to the current and electric potential difference across the resistor.

When two or more electrical devices in a circuit can be connected, it is considered a series connection or a parallel connection. When all the devices are connected using series connections, the circuit is referred to as a series...

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...

There are certain formulas in physics that are so powerful and so pervasive that they reach the state of popular knowledge. The predominant equation which pervades the study of electric circuits is often referred to as the Ohm's law...

This activity will show how to properly connect wires to make a closed electric circuit. Included in this will be how to connect batteries in series and/or in parallel, and how to properly measure potential drops across a resistor and...

Explains electrical resistance and how it is measured using the formula for Ohm's Law.

This review from the Glenbrook South High School provides a series of questions on various topics associated with static electricity (such as electrical insulation). Answers and explanations are hidden, yet easily accessed from within a...

[Free Registration/Login Required] Learn about the relationship between electric potential, current, and resistance in the context of high-voltage AC power lines using this interactive simulation. A PDF worksheet and a video tutorial are...

Charge up the Van de Graaff generator and drag the discharge wand close enough to form a spark. What happens to the electric potential energy when you charge the Van de Graaff and when the spark occurs?

Review the key terms and skills related to Kirchhoff's loop rule, including how to determine the electric potential difference across a component.

Luigi Galvani discovered the galvanic cell by experimenting with nerves on a frog leg! This on-line encyclopedia discusses how to find the electric potential of a galvanic cell along with an explanation of how unwanted galvanic cells are...

This site from Georgia State University defines electric potential energy and relates it to the concept of electric potential. Discusses the idea of a reference point or a qero potential location.

This site from Georgia State University defines electric potential energy and relates it to the concept of electric potential. Discusses the idea of a reference point or a qero potential location.

A site dedicated to help students prepare for the AP Physics B test. This specific site reviews electrostatics including electric charges, Coulomb's law, static electricity, electric fields, electric potential, and electrostatic...

Here is a presentation of Coulomb's Law and the electric field potential formula, with example problems.

An electrostatic simulation that moves beyond the two-dimensional representations a book may provide. Try this Gauss' Law model which shows the electric field and potential for cylindrical and spherical symmetry.

Scroll down about 1/2 the page to read about what electric potential is. The equation for its computation is given along with its relation to electric potential energy.

A brief article from The Great Idea Finder.

Interactive lecture discusses internal resistance which provides help to learners in developing an accurate model.

Arrange positive and negative charges in space and view the resulting electric field and electrostatic potential. Plot equipotential lines and discover their relationship to the electric field. Create models of dipoles, capacitors, and...