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1. Electrophorus - Classification - Systema Naturae 2000
- sn2000.taxonomy.nl
- Biota Domain Eukaryota - eukaryotes Kingdom Animalia - animals Subkingdom Bilateria - triploblastic animals Branch Deuterostomia Infrakingdom Chordonia Phylum Chordata - chordates Subphylum Vertebrata - vertebrates Infraphylum Gnathostomata - jawed vertebrates Class Osteichthyes Subclass Actinopterygii Infraclass Actinopteri Superdivision Neopterygii Division Halecostomi Subdivision Teleostei Infradivision Elopocephala Cohort Clupeocephala Subcohort Otocephala Division Ostariophysi Order Gymnotiformes - knifefishes Family Electrophoridae - electric knifefishes Genus Electrophorus™ Gill, 1864 T|N|P|R|B|L; Ref:® o Eschmeyer, 1998; Count: * 1s E. ...
2. Charging with an Electrophorus
- www.orau.org
- Condensing Electroscopes and the Electrophorus .
- A condensing electroscope is designed to be charged with the disk of a device known as an electrophorus. ... The handle of the electrophorus disk is a glass (or other insulating material) rod projecting at right angles from the back side of the disk. ...
- Charging the Electrophorus Disk .
- To begin, a charge must be generated on an insulating plate once known as the cake - this plate is considered part of the electrophorus. ...
- Next, the neutral electrophorus disk is brought in contact with the insulating plate. ...
- Finally, the ground is removed and the electrophorus disk lifted away from the insulating plate (Figure 4).
- Charging the Electroscope with the Electrophorus Disk by Conduction .
- To charge the electroscope by conduction, the electrophorus disk, which in this example has a positive charge, is brought into physical contact with the fixed disk on the electroscope Figure 3 below). Since electrons from the electroscope are drawn to electrophorus disk, the electroscope disk and leaf will be left with a net positive charge, the same charge as that on the electrophorus.
- Charging the Electroscope with the Electrophorus Disk by Induction.
- The charged electrophorus disk is brought close to the fixed disk of the electroscope but the two are not allowed to touch. When the electrophorus disk is brought close, the electroscope leaves will separate. The reason is that the electrons are attracted to the upper surface of the electroscope disk, the side closest to the electrophorus, leaving the leaves with a positive charge. ... By moving the electrophorus disk away from or closer to the electroscope disk, the desired separation of the leaves can be obtained. ... The ground is removed (Figure 4) and the electrophorus lifted away from the electroscope leaving the electroscope with a net negative charge. ...
3. Electrophorus - Parker (1982) - Systema Naturae 2000
- sn2000.taxonomy.nl
- Life Superkingdom Eukaryotae Kingdom Animalia Subkingdom Eumetazoa Phylum Chordata Subphylum Vertebrata Class Osteichthyes Subclass Actinopterygii Order Cypriniformes Suborder Characoidei Family Electrophoridae Genus Electrophorus Gill,1864 Ref=(o)Fritzsche,1982/vol. ...
4. Electrophorus
- rigel.phys.ualberta.ca
- F11: Electrophorus and Plate.
- The electrophorus provides a reproducible charge on a plate by induction. ...
- Electrophorus .
- Operation: To show frictional effect, rub the plate on the electrophorus. ... To induce a strong charge on the plate, rub the electrophorus briskly with the cat's fur, place the plate on top of the electrophorus and ground the plate with a finger. ...
- One can also see the effect of an electrophorus with a rougher surface with the electrophorus shown below. ...
5. The Electrophorus: an electrostatics demonstration with electroscope and corona point discharge accessories
- www.ece.rochester.edu
- Electrophorus and Accessories.
- Johannes Wilcke invented and then Alessandro Volta perfected the electrophorus over two hundred years ago. ... Many old natural philosophy texts contain lithographs of the electrophorus.
- A hand-held electrophorus can produce significant amounts of charge conveniently and repeatedly. ... The electrophorus is ideal for generating energetic capacitive sparks required for vapor ignition demonstrations.
- The basic operational steps for the electrophorus are depicted in the sequence of diagrams below. ... Click here to view a neat animation of the electrophorus charging process. Ainslie describes interesting experiments with an electrophorus that was charged in the Springtime and then its charge monitored throughout the summer Ainslie, 1982 . ...
- The energy for each capacitive spark drawn from the electrophorus is actually supplied by the action of lifting the electrode off the cake. ...
- The electrophorus works most reliably if the charged insulating plate rests atop a grounded plane, such as a metal sheet, foil, or conductive plastic. ...
- Click here to learn about a new type of electrophorus invented by S. ... The web site of the world-famous Exploratorium in San Francisco describes a simple electrophorus made of aluminum pie plates and other inexpensive materials. ... In addition, the library references below contain interesting information about the electrophorus and other electrostatics demonstrations. One example is the cylindrical electrophorus Ainslie, 1980 . ...
- A simple leaf electroscope attachment, shown in the figure below, makes it very easy to reveal some of the important charging and charge redistribution phenomena of the electrophorus. This accessory is especially handy because it works even on warm, humid days when large, impressive sparks can not be coaxed out of the electrophorus. ...
6. ELECTROPHORUS
- www.engr.uky.edu
- Purpose: To understand how the physics of the electrophorus and to illustrate the differences between free charge and stationary charge, and to demonstrate the effect of electric stored energy. ...
- Discussion: The electrophorus has historically been used as a charge dispensing device. ... The electrophorus is charged not by an external voltage source, but rather the insulator separating the conductors is charged through triboelectrification. ...
- The electrophorus was originally developed by Johannes Wilcke in 1762. ... Volta atcually named the device an electrophorus, and soon thereafter become known as the perpetual electrophorus. It was so-called becase once the insulator was charged, the electrophorus could seemingly produce an endless quantity of electric charge. Wilke reported quite accurately the physics of the electrophorus. ...
- It has been said that the electrophorus is the electrical analog to a permanent magnet in the way that it permanently keeps its charge. Interestingly, keeping the top plate on the electrophorus preserves its power in an analogous manner as a keeper (or iron rod) placed across the poles of a permanent magnet. All in all, the electrophorus is a magnificant device that played a significant role in the early development of electrostatic theory. ...
- Experiment I Description: An electrophorus simply consists of two metal sheets separated by an insulator. In the figure below, the electrophorus is circular in shape, or disk shaped. ... The insulator of the electrophorus used in our experiments is simply vinyl. The upper metallic disk has an insulating handle attached to its center such that the electrophorus can be dissected without grounding the top plate. ...
- The operation of the electrophorus procedes as follows: Initially, the top of the insulating vinyl sheet is briskly rubbed with a piece of cloth (preferable wool, silk, or fur). ...
- Thus, it is a combination of the stationary charge on the insulator, free charge movement in the conductor, and ground supplying free charge that renders the electrophorus as a perpetually charged device. ...
7. The Electrophorus
- campus.murraystate.edu
- The Electrophorus.
- The electrophorus is ideal for generating energetic capacitive sparks required for vapor ignition demonstrations.
- The basic operational steps for the electrophorus are depicted in the sequence of diagrams below. ...
- Click here to view an animation of the electrophorus charging process.
- The energy for each capacitive spark drawn from the electrophorus is actually supplied by the action of lifting the electrode off the cake. ...
- Today, the electrophorus is built in hundreds of secondary school demonstrations each year. ...
- Build your own Electrophorus.
- Our electrophorus is constructed from an Aluminum pie pan, a Styrofoam plate and cup, some tape and a small Neon bulb.
- Construct an electrophorus by taping the Styrofoam cup to the center of a pie pan. ...
8. Electric eel Electrophorus electricus
- www.life.umd.edu
Other
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9. Definition of Electrophorus - WordReference.com Dictionary
- wordreference.com
- electrophorus .
- electrophorus.
- Category Tree:entity╚object; physical_object╚artifact; artefact╚instrumentality; instrumentation╚device╚electrical_device╚electrostatic_generator; electrostatic_machine; Wimshurst_machine; Van_de_Graaff_generator╚electrophorus.
- Electrophorus, genus_Electrophorus.
- Category Tree:group; grouping╚biological_group╚taxonomic_group; taxonomic_category; taxon╚genus╚fish_genus╚Electrophorus, genus_Electrophorus.
- Look up "Electrophorus" at Merriam-Webster.
- Look up "Electrophorus" at dictionary. ...
- electrophorus.
- Electrophorus electric.
- Electrophorus: .
10. electrophorus
- www.alaska.net
- Unusually Big Sparks With A Ridiculously Simple Electrophorus .
- Hopefully you have seen the web pages at the Exploratorium or The University of Rochester about the electrophorus. ... My earliest experiences with an electrophorus used a disposable pie pan and a foam plate. ... After a little research, I decided to give the electrophorus another try. ...
- A feature of the standard electrophorus is an insulating handle on the metal part. ...
- I've also found that it's important not to dawdle between picking up the electrophorus and taking the spark off it. ...
- The sparks you get from an electrophorus may not always be as bright and loud as those you get off a charged Leyden jar, but they can be long, indicating very high voltage. ...
- So, does anyone know the plural of "electrophorus"? .
11. Electrophorus - explanation-Guide.info - for information, definition, meaning, reference - free encyclopedia, glossary of terms
- explanation-guide.info
- Search thousands of articles ► Wednesday, 23rd March 2005 UTC Top > Meaning > Electrophorus Index: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 0-9 | By subject Electrophorus: Meaning (information, definition, explanation, facts).
- An electrophorus is a simple plate capacitor used to collect static charge produced as a result of friction, devised in 18th century by Johannes Wilcke and Alessandro Volta. ...
- The electrophorus consists of a dielectric plate on a metal surface and a metal plate with an insulating handle. ...
- Remember what Electrophorus means: .
- Search for Electrophorus information on: amazon. ...
- info/meaning/Electrophorus. ...
- info/meaning/Electrophorus. html">Electrophorus</a> .
12. Electrophorus - GrokPedia Encyclopedia
- www.grokpedia.com
- Electrophorus.
- An electrophorus is a simple plate capacitor used to collect static charge produced as a result of friction, devised in 18th century by Johannes Wilcke and Alessandro Volta.
- The electrophorus consists of a dielectric plate on a metal surface and a metal plate with an insulating handle. ...
- It uses material from the Wikipedia article Electrophorus.
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