Khan Academy
Khan Academy: Electric Potential Difference and Ohm's Law Review
Review the key terms, equations, and skills related to Ohm's law, including how electric potential difference, current, and resistance are related.
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Ohm's Law
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.
Georgia State University
Georgia State University: Hyper Physics: Ohm's Law and Current Law
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...
Ducksters
Ducksters: Physics for Kids: Ohm's Law
Kids learn about Ohm's law in the science of electricity and physics including current, resistance, voltage, example problems, and V=IR.
TeachEngineering
Teach Engineering: Can You Resist This?
This lab demonstrates Ohm's law as students set up simple circuits each composed of a battery, lamp and resistor. Students calculate the current flowing through the circuits they create by solving linear equations. After solving for the...
ClassFlow
Class Flow: Ohm's Law
[Free Registration/Login Required] A basic interactive lesson on Ohm's Law, I use this in my 9-12 CATE Electricity class.
Massachusetts Institute of Technology
Mit: Open Course Ware: Current, Resistance, and Power
Learners investigate current, resistance, and power. Some topics explored in the activities are Ohm's law, electrical power, and solving circuits. The resource consists of video clips, lecture notes, online textbook chapters, exam...
![Need: Measuring Electricity [Pdf] Handout](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "Need: Measuring Electricity [Pdf] Handout")
Other
Need: Measuring Electricity [Pdf]
This site details many of the ways in which to measure electricity. Among the topics covered by this page is resistance and voltage as well as electrical energy and Ohm's Law.
Concord Consortium
Concord Consortium: Calculating Voltage in Series Parallel Circuits
Use the series and parallel resistance formulas to determine the total resistances of the parts. Then, use Ohm's Law to calculate the voltage drops across each part.
CK-12 Foundation
Ck 12: Resistors in Series and Parallel
[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...
Concord Consortium
Concord Consortium: Calculating Current in Series Parallel Circuits
Use resistance formulas to determine the total resistances of the series and parallel parts. Then, use Ohm's Law to calculate the voltage drops across and currents through each part.
TeachEngineering
Teach Engineering: Pointing at Maximum Power for Pv
Student teams measure voltage and current in order to determine the power output of a photovoltaic (PV) panel. They vary the resistance in a simple circuit connected to the panel to demonstrate the effects on voltage, current, and power...
Curated OER
Physics4 kids.com: Electricity & Magnetism: Resistance
Simple line graph showing the inverse relationship between the amount of electrical resistance and the amount of work possible.
Learn AP Physics
Learn Ap Physics: Physics B: Circuits
A site dedicated to help students prepare for the AP Physics B test. This specific site reviews circuits including current, resistance, power, Ohm's law, batteries, DC circuits, transformers, and car coils. Site contains links to video...
ClassFlow
Class Flow: Electricity
[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...
Physics Classroom
The Physics Classroom: Power Revisited
This tutorial visits the concept of power. You will learn to develop new equations that express power in terms of current, electric potential difference and resistance.
CK-12 Foundation
Ck 12: Physics Simulation: Power Lines
[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...
CK-12 Foundation
Ck 12: Physics Simulation: Dollhouse
[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]
CK-12 Foundation
Ck 12: Physics Simulation: Marquee Lights
[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...
CK-12 Foundation
Ck 12: Physics: Electrical Systems Study Guide
A study guide covering electrical systems.
Physics Classroom
The Physics Classroom: Current Electricity
Four complete lessons on current electricity in the study of physics. Lessons include informational text, interactive activities, animations, and quick, interactive comprehension checks.
Georgia State University
Georgia State University: Hyper Physics: Ac Circuits
A very comprehensive site organized well with many topics dealing with AC circuits.