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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: Leyden Jar
These devices, though quite humble, represented a tremendous breakthrough in the history of electricity; they were the first capacitors, and as such were able to store electric charge. (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.
National High Magnetic Field Laboratory
Magnet Academy: Leyden Jars 1745
Because they could store significant amounts of charge, Leyden jars allowed scientists to experiment with electricity in a way never before possible.
Physics Aviary
Physics Aviary: Practice Problems: Parallel of Capacitors in Series
Determine the total energy stored on a group of capacitors in a combination circuit.
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: Practice Problems: Capacitor Values Problem
Determine the time it takes an electron to reach a phosphorescent screen when it is fired by a capacitor. Students must also find the top speed of the electron and the amount of vertical deflection it experiences.
Physics Aviary
Physics Aviary: Practice Problems: Electron Deflected by Capacitor
Determine the time it takes an electron to reach a phosphorescent screen when it is fired by a capacitor. Students must also find the top speed of the electron.
Physics Aviary
Physics Aviary: Capacitor Properties Lab
This lab is designed to have students investigate the different changes that could be made to an air filled capacitor and the results that occur because of these changes. Students can vary the gap between the plates, the size of the...
Physics Aviary
Physics Aviary: Capacitor Charging Through a Resistor in Dc Lab
This lab is designed to have students investigate the factors that affect the rate at which a capacitor charges. Students can change the resistance and capacitance in the circuit and monitor the current, voltage and charge on the...
CK-12 Foundation
Ck 12: Physics Simulation: Touch Screen
[Free Registration/Login Required] Learn about how capacitances add up in series and parallel by exploring the physics behind a touch-screen device using this interactive simulation. A PDF worksheet and a video tutorial are also...
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.
CK-12 Foundation
Ck 12: Physics Simulation: Flashing Neon Light
[Free Registration/Login Required] Learn about how capacitors are used in circuits to create transient events such as the flash of a light bulb using this interactive simulation. A PDF worksheet and a video tutorial are also available....
Khan Academy
Khan Academy: Capacitors Article
This article from Khan Academy provides information about capacitors. This information is intended for the Class 12 Physics Course (India).
CK-12 Foundation
Ck 12: Physics: Electrical Systems Study Guide
A study guide covering electrical systems.
Khan Academy
Khan Academy: Capacitors in Electrocardiography Monitors
This passage will test your knowledge on capacitors.
Khan Academy
Khan Academy: Neuronal Membranes: Nature's Capacitors
Practice questions related to circuits and capacitors.
Cosmo Learning
Cosmo Learning: Capacitors
A collection of video lectures discussing capacitors from a physics course taught at East Los Angeles College. In eleven lectures, the topics of capacitors, dielectrics, and energy theory are covered with explanations and examples....
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.
Ducksters
Ducksters: Physics for Kids: Resistors, Capacitors, and Inductors
Kids learn about resistors, capacitors, and inductors in the science of electronics and physics including measurement, symbols, and standard units.
Learn AP Physics
Learn Ap Physics: Physics B: Conductors and Capacitors
A site dedicated to help students prepare for the AP Physics B test. This specific site reviews conductors and capacitors including polarization and dielectrics. Site contains links to video lectures and practice problems.