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electrophorus

An early form of electrostatic generator. It consists of a flat dielectric plate and a metal plate with an insulated handle. The dielectric plate is charged by friction and the metal plate ...

electrophorus

electrophorus   Quick reference

A Dictionary of Physics (8 ed.)

Reference type:
Subject Reference
Current Version:
2019
Subject:
Science and technology, Physics
Length:
73 words

...electrophorus An early form of electrostatic generator . It consists of a flat dielectric plate and a metal plate with an insulated handle. The dielectric plate is charged by friction and the metal plate is placed on it and momentarily earthed, which leaves the metal plate with an induced charge of opposite polarity to that of the dielectric plate. The process can be repeated until all of the original charge has leaked away....

electrophorus

electrophorus  

An early form of electrostatic generator. It consists of a flat dielectric plate and a metal plate with an insulated handle. The dielectric plate is charged by friction and the metal plate is placed ...
electrostatic generator

electrostatic generator  

A device used to build up electric charge to an extreme potential usually for experimental purposes. The electrophorus and the Wimshurst machine were early examples; a more usual device now is the ...
electrostatic generator

electrostatic generator   Quick reference

A Dictionary of Physics (8 ed.)

Reference type:
Subject Reference
Current Version:
2019
Subject:
Science and technology, Physics
Length:
41 words

...electrostatic generator A device used to build up electric charge to an extreme potential usually for experimental purposes. The electrophorus and the Wimshurst machine were early examples; a more usual device now is the Van de Graaff generator...

Volta, Alessandro Giuseppe Antonio Anastasio

Volta, Alessandro Giuseppe Antonio Anastasio (1745–1827)   Quick reference

A Dictionary of Physics (8 ed.)

Reference type:
Subject Reference
Current Version:
2019
Subject:
Science and technology, Physics
Length:
68 words

...Volta, Alessandro Giuseppe Antonio Anastasio ( 1745–1827 ) Italian physicist . In 1774 he began teaching in Como and in that year invented the electrophorus . He moved to Pavia University in 1778 . In 1800 he announced his invention of the voltaic cell , thus providing the first practical source of electric current ( see also Galvani, Luigi ). The SI unit of potential difference is named after...

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