[Free Registration/Login Required] Learn about electric circuits, the flow of current, electrical resistance, and electrical power dissipation by exploring the operation of a flashlight using this interactive simulation. A PDF worksheet...

At this site from Georgia State University Ohm's law is stated in words and using equations. A JavaScript form allows for multiple practice problems with instant feedback and reinforcement. Kirchoff's current law is stated and...

[Free Registration/Login Required] Learn about the analysis of parallel circuits in the context of a realistic household circuit using our interactive simulation. A PDF worksheet and a video tutorial are also available. [3:24]

[Free Registration/Login Required] Learn about different ways you can wire an electric circuit, and how the brightness of the lights depends on how they are configured using this interactive simulation. A PDF worksheet and a video...

The National Physical Laboratory, which is the UK's National Measurement Institute, offers a Beginner's Guide to Measurements in Electronics and Electrical Engineering. Discusses how electric currents are measured and offers images.

For the teacher planning a lesson or for the student preparing for a project or presentation. This page describes a series of simple activities related to the voltage-current-resistance relationship.

This lesson will explain how to calculate voltage, current, and resistance in simple electric circuits. It is 2 of 4 in the series titled "Electric Circuits."

This lesson will explain how to calculate voltage, current, and resistance in simple electric circuits. It is 4 of 4 in the series titled "Electric Circuits."

Kids learn about Ohm's law in the science of electricity and physics including current, resistance, voltage, example problems, and V=IR.

[Free Registration/Login Required] Students can use this Flipchart to learn and apply Ohm's law to basic circuitry problems. Students are introduced to the relationship among voltage, current, and resistance, and then apply their newly...

Brief explanation of Ohm's Law which provides the relationship between current, voltage, and resistance.

Explains Ohm's Law which is the mathematical relationship between electric current, resistance, and voltage.

Instructions for how to make an electrical thermometer. The electrical thermometer works like this - the design consists of four resistors each made from about 40 meters of very thin copper wire. The electrical resistance of wire changes...

With this interactive students will build circuits with capacitors, inductors, resistors and AC or DC voltage sources, and inspect them using lab instruments such as voltmeters and ammeters. Students will observe and discuss electricity...

Students use potatoes to light an LED clock (or light bulb) as they learn how a battery works in a simple circuit and how chemical energy changes to electrical energy. As they learn more about electrical energy, they better understand...

In this interactive, students can explore how current, voltage, and resistance are related in a model showing the flow of electrons in an electric circuit. They will learn about Ohm's law and how other forms of energy can be made from...

[Free Registration/Login may be required to access all resource tools.] The differences between series and parallel circuits are highlighted. Provides an in-depth look at how to solve problems about circuits and resistors. Includes a...

In this interactive simulation of Ohm's law, adapted from the University of Colorado's Physics Education Technology project, students will adjust the voltage and resistance in a circuit, and observe how this affects the flow of current....

Georg Simon Ohm had humble roots and struggled financially throughout most of his life, but the German physicist is well known today for his formulation of a law, termed Ohm's law, describing the mathematical relationship between...

[Free Registration/Login may be required to access all resource tools.] For this lesson, students learn about the invention of the battery and how a battery works, and about resistance in an electrical circuit. As well, Ohm's Law is used...

Manipulate the voltage and resistance for a simple circuit to see how these affect the amount of current. The symbols in the Ohm's Law equation grow bigger and smaller to emphasize the changes.

Review how to find the equivalent resistance for resistors in parallel and series configurations. Recall the current and voltage properties of series and parallel configurations of resistors.

Objects that glow in the dark hold a special place in the imagination of both children and adults. The lights go out at night, but these odd things refuse to disappear. Where does the light come from? Do they work in any climate? In this...

Students investigate circuits and their components by building a basic thermostat. They learn why key parts are necessary for the circuit to function, and alter the circuit to optimize the thermostat temperature range. They also gain an...