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Kelvin Water Dropper
Transcript of Kelvin Water Dropper
- Invented in 1867 by Lord Kelvin
- Originally called a "water-dropping
- Had other names, such as "Lord
What Is It?
The Kelvin Water Dropper Consists of 3 main parts:
A water source
2 Conductive rings
2 conductive water basins
How Does it Work?
- Electrostatic Induction
- Positive Feedback
- Electrostatic Attraction
When a static charge is given to
a conductor when it comes in
contact with an object with a
charge attached to it
When an electric charge is returned
to an electrical signal and is "in phase",
which allows the signal to increase.
The scientific principle that
states: "opposites attract"
Real World Uses
- The study of storms and electricity
- Powering LED and other types of lights
- Science Fair Projects (wink wink)
- Any alternative energy source for powering a building or other facility
Make Your Own!
Problems and Troubleshooting
- Not a good power source
- Frame, wiring etc. must be completely dry
- Be careful about humidity
- Use round objects for spark
- Use conductive material for basins and rings
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Lord Kelvin biography - Science Hall of Fame - National Library of Scotland. (n.d.). Digital Gallery - National Library of Scotland. Retrieved June 9, 2013, from http://digital.nls.uk/scientists/biographies/lord-kelvin/index.html
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gnurf (2011, Feb 20) Kelvin Water Dropper [Post 1] Message posted to http://www.physicsforums.com/showthread.php?t=474545
Electrostatic induction - Definition and More from the Free Merriam-Webster Dictionary. (n.d.). Dictionary and Thesaurus - Merriam-Webster Online. Retrieved June 9, 2013, from http://www.merriam-webster.com/dictionary/electrostatic%20induction
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Electrostatic attraction - definition of Electrostatic attraction by the Free Online Dictionary, Thesaurus and Encyclopedia.. (n.d.). Dictionary, Encyclopedia and Thesaurus - The Free Dictionary. Retrieved June 9, 2013, from http://www.thefreedictionary.com/Electrostatic+attraction
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History of Coulomb's discovery. (n.d.). University of Auckland. Retrieved June 9, 2013, from homepages.engineering.auckland.ac.nz/~kacprzak/Coulomb/coulomb.htm
Water Drops and Sparks! Experimenting with a Kelvin Electrostatic Generator . (2012, December 7). Science Buddies. Retrieved June 9, 2013, from www.sciencebuddies.org/science-fair- projects/project_ideas/Elec_p069.shtml#procedure
Beaty, B. (n.d.). High voltage device: Kelvin's Thunderstorm. SCIENCE HOBBYIST: Top Page. Retrieved June 9, 2013, from http://amasci.com/emotor/kelvin.html#debug
(2013, Feb 8). How to Make Kelvin Water Dropper/Lord Kelvin's Thunderstorm. Retreived from http://www.physicsforums.com/showthread.php?t=474545