Physics Classroom
The Physics Classroom: Journey of a Typical Electron
In the wires of electric circuits, an electron is the actual charge carrier. In this article, an electron's path through the external circuit is introduced.
Khan Academy
Khan Academy: Application of the Fundamental Laws
We solve a circuit by direct application of the fundamental laws: Apply element laws (Ohm's Law and the like) plus Kirchhoff's Laws to solve for the currents and voltages of a circuit.
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...
National High Magnetic Field Laboratory
Magnet Academy: Wheatstone Bridge 1843
Read about the device used for measuring resistance in a circuit which was discovered in 1843, but had been invented a decade earlier. The inventor's name was not Wheatstone.
Khan Academy
Khan Academy: Dc Ammeters and Voltmeters Review
Review the key terms and skills related to voltmeters and ammeters, including where to place them in a circuit.
Physics Classroom
The Physics Classroom: Power: Putting Charges to Work
In this tutorial the concept of how electrical energy is transformed is introduced. Learn how electric charges actually work and take the interactive quiz to assess your understanding.
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.
Sophia Learning
Sophia: Electric Circuits: Lesson 2
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."
Sophia Learning
Sophia: Electric Circuits: Lesson 4
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."
South Carolina Educational Television
Know It All: Nasa Online: Circuits
Learn the basics of electrical circuits and diagrams.
Science4Fun
Science4 Fun: Electronic Circuit
What is an electronic circuit? Resource provides a discussion of series, parallel, and series-parallel circuits plus more.
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Batteries and Bulbs
For the teacher planning a lesson or for the student preparing for a project or presentation. This page describes an activity in which parallel and series circuits are constructed using batteries and bulbs. Complete activity directions...
BBC
Bb Ci Schools: Revisewise Science Electricity
This lesson provides an interactive activity on electrical circuits along with a information sheet and a practice test.
Walter Fendt
Walter Fendt: Simple Ac Circuits
This simulation shows a simple circuit consisting of an AC voltage source and, depending on the button selected, a resistor, a capacitor or a coil.
Walter Fendt
Walter Fendt: Electromagnetic Oscillating Circuit
This simulation is about an oscillatory electromagnetic circuit formed by a capacitor and an inductor.
Science Buddies
Science Buddies: Dance Mania: Build Your Own Dance Pad!
The objective of this electricity and electronics science fair project is to build a dance pad that flashes lights when you step on it.
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