Other
Easyphysics: Chapter 15 the Circuit
Learners investigate circuits. Some topics examined are a photo resistor, capacitor, and diode. The resource includes a circuit applet.
Other
Fun Science Ring: Leyden Jar
Everything you need to know about how Leyden jars work, and how to construct your own. Many pictures, references, other sites, other electrostatics projects and topics.
National High Magnetic Field Laboratory
Magnet Academy: Capacitor
A capacitor is similar to a battery in that both store electrical energy. But a capacitor can't actually produce new electrons; it only stores them.
National High Magnetic Field Laboratory
Magnet Academy: Oscillator
Oscillators are a type of circuit found in many types of electronic equipment, including clocks, radios and computers. (Java tutorial)
National High Magnetic Field Laboratory
Magnet Academy: Electrophorus 1764
A very primitive capacitor, this early device allowed scientists to give discs of metal a specific charge.
TeachEngineering
Teach Engineering: Circuits
Students are introduced to several key concepts of electronic circuits. They learn about some of the physics behind circuits, the key components in a circuit and their pervasiveness in our homes and everyday lives. Students learn about...
California Institute of Technology
Magnet Lab: Caltech Physics Applets
Although specifically designed for physics students at Caltech, anyone interested in learning more about electricity, magnetism or various other physical phenomena can benefit by exploring these interactive applets. A circuit tutorial...
Physics Aviary
Physics Aviary: Practice Problems: Rc in Dc Problem
Determine the initial current and the final energy stored in a capacitor when powered with DC.
Physics Aviary
Physics Aviary: Practice Problems: Closest Approach Problem
Find the closest approach between two charges. The charge at the origin is held at rest. The other charge is moving toward the charge with a certain speed and your job is to figure out how close the two charges will get before the moving...
Physics Aviary
Physics Aviary: Rc Circuit Lab
This lab is designed to have students investigate the factors that affect the rate at which a capacitor discharges. Students can change the resistance and capacitance in the circuit and then monitor the discharging of the capacitor....
Other
Farad Net: Electrolytic Capacitor Book
An entire book on electrolytic capacitors. Originally published 1938 and website version is an in-progress update. Part 1 is sufficiently general and current to give one a background in capacitors and electrolytic capacitors.
University of Virginia
Uva Virtual Lab: Resistors and Capacitors and High Voltage
In this simulation a battery will be used to charge a capacitor. The capacitor will then be used to operate a light bulb until the capacitor is discharged.
Khan Academy
Khan Academy: Cardiac Dysrhythmia and Defibrillators
This passage will test your knowledge on defibrillators.
Creative Science Centre
Creative Science Centre: Dc Converter and Electrical Storage for Shake a Gen
This simple device uses a few components to rectify the alternating current (AC) from the shake-a-gen, store it in a capacitor and convert it into a steady direct current (DC). The output can be used to run a low power device. It is also...
Other
Science Playwiths: Electricity and Magnet Playwiths
A relatively easy set of instructions for building a Leyden jar, and an easy-to-understand explanation of how it works.
Other
Science Hobbyist: Capacitors Do Not Store Charge
A page which clarifies many static electricity misconceptions, including how a capacitor charges.
Physics4kids
Physics4 Kids: Electrical Field Basics
This resource explains how an electrical field is created and the criteria that determines its' strength. Other topics briefly addressed include capacitors and the work of Michael Faraday.
Walter Fendt
Walter Fendt: Electromagnetic Oscillating Circuit
This simulation is about an oscillatory electromagnetic circuit formed by a capacitor and an inductor.
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.
University of Wisconsin
University of Wisconsin: 5 Magnetism
From an online teacher demonstration book. Includes a description and explanation of five demonstrations on a variety of magnetism topics. Interesting and captivating demos.