Physics4kids
Physics4 Kids: Electricity and Magnetism: Resistance
Explains electrical resistance and how it is measured using the formula for Ohm's Law.
Concord Consortium
Concord Consortium: Total Resistance for Resistors in Parallel
See how this application of Ohm's Law leads to a formula for the total of parallel resistances.
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.
National High Magnetic Field Laboratory
Magnet Academy: Georg Ohm
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...
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...
University of St. Andrews (UK)
University of St. Andrews: Georg Simon Ohm
More than a dry series of facts about Ohm's life, this page from the University of St. Andrews provides interesting anecdotal accounts which reveal the personality behind the man. Thorough, interesting and an abundance of facts. A great...
Boston University
Elementary Physics: Current and Resistance
A general summary of electrical resistance including a comparison of AC and DC current.
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Ohm's Law
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.
Concord Consortium
Concord Consortium: Total Resistance for Resistors in Series
Use the tutorial to find the total resistance for resistors in a series circuit.
Concord Consortium
Concord Consortium: Total Resistance in Series Parallel Circuits
Use the formula for the parallel resistors to calculate the total resistance in series-parallel circuits.
![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.
Concord Consortium
Concord Consortium: Calculating Voltage in Series Circuits
See how Ohm's Law can tell us that the voltage across resistors will depend on that current value I and each R-value.
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Electron Current Flow
A teacher lesson plan which could be easily converted into an idea for a student project or presentation. This page describes an activity in which the water-electricity analogy is used to investigate the relationship between current,...
Famous Scientists
Famous Scientists: Georg Ohm
Find out about the German physicist and mathematician whose work in the field of electrical current shaped the study of electricity.
TeachEngineering
Teach Engineering: Electrons on the Move
Students learn about current electricity and necessary conditions for the existence of an electric current. Students construct a simple electric circuit and a galvanic cell to help them understand voltage, current and resistance.
Concord Consortium
Concord Consortium: Stem Resources: Electric Current
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...
Tech Target
What Is: Resistance
A short summary of resistance and how it is measured. Including information on AC and DC.
Georgia Department of Education
Ga Virtual Learning: Steady State Direct Current With Batteries & Resistors Only
In this interactive tutorial, students will analyze series circuits and parallel circuits along with complex circuits composed of elements in series and parallel. Learners will use schematics to help them understand these circuits....
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...
University of Guelph
University of Guelph: Physics Tutorials: Dc Circuits: Resistors in Series
Explains and illustrates the meaning of series connections. Discusses the voltage-current-resistance relationships for series connections of resistors. An example problem on series calculations can be accessed from this page.
Georgia Department of Education
Ga Virtual Learning: Ap Physics 2: Electric Circuits
This unit teaches students the foundations of electrical circuits and introduces them to their simplest components. Covers series and parallel circuits, Kirchhoff's Rules, Ohm's Law, RC circuits, resistivity, and capacitance.
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.
Other
Easyphysics: Chapter 13 Current Electricity
Learners investigate current electricity. Some topics examined are voltage law, Ohm?s law, and electric resistance. The resource includes example problems with solutions and a chapter quiz.