Physics Aviary
Physics Aviary: Ohm's Law
This lab is designed to have students investigate the relationships between voltage, resistance and current in a circuit with only one passive component. This version of the lab requires students to read analog meters to get the voltage...
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.
Science Struck
Science Struck: Lcr Meter Working Principle and Uses
Explains what an LCR meter is and how it is used to measure the inductance, capacitance, and resistance of a circuit. Lists the different parameters of a circuit that it measures, describes two types of LCR meters, and gives definitions...
TeachEngineering
Teach Engineering: Completing the Circuit
In the everyday electrical devices we use - calculators, remote controls and cell phones - a voltage source such as a battery is required to close the circuit and operate the device. In this hands-on activity, students use a battery,...
CK-12 Foundation
Ck 12: Physics Simulation: Electric Analogies
[Free Registration/Login Required] Explore a different way of thinking about electricity as a way to become familiar with the concept of potential, current, and resistance using this interactive simulation. A PDF worksheet and a video...
CK-12 Foundation
Ck 12: Physics Simulation: Flashlight
[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...
CK-12 Foundation
Ck 12: Parallel Circuits
[Free Registration/Login may be required to access all resource tools.] In this lesson, students learn about parallel circuit design, and how to calculate equivalent resistance from resistors in a parallel circuit.
Other
Beginner's Guide to Measurement in Electronic and Electrical Engineering [Pdf]
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.
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.
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...
PBS
Pbs Learning Media: Ohm's Law
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....
Physics Classroom
The Physics Classroom: Current Electricity: Circuit Connections: Series Circuits
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...
TeachEngineering
Teach Engineering: Put a Spark in It! Electricity
Uncountable times every day "with the merest flick of a finger"each one of us calls on electricity to do our bidding. What would your life be like without electricity? Students begin learning about electricity with an introduction to the...
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Battery Resistor Circuit
Look inside a resistor to see how it works. Increase the battery voltage to make more electrons flow through the resistor. Increase the resistance to block the flow of electrons. Watch the current and resistor temperature change. Java...
Other
Univ.of Delaware: Real Batteries and Battery Testers
A discussion of various principles related to voltage. The operation of battery testers and voltmeters are explained. The importance of the internal resistance of a power source is discussed.
Ducksters
Ducksters: Physics for Kids: Electricity Glossary and Terms
Kids learn about electricity glossary and terms in the science of physics. Words and definitions you need to know such as current, voltage, resistance, and more.
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...
CK-12 Foundation
Ck 12: Ohm's Law
[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...
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.
TeachEngineering
Teach Engineering: Designing a Thermostat
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...
Science Buddies
Science Buddies: Put Some Energy Into It! Use a Calorimeter to Measure
In this science fair project, use a calorimeter with an attached heating element to measure how water responds to added thermal energy.
Science Struck
Science Struck: A Comprehensive List of All the Physics Formulas
Provides a long list of physics formulas for easy reference.
CK-12 Foundation
Ck 12: Physics: Electrical Systems Study Guide
A study guide covering electrical systems.
Khan Academy
Khan Academy: Resistors in Series and Parallel Review
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.