Matches in DBpedia 2016-04 for { <http://dbpedia.org/resource/Electric_charge> ?p ?o }
- Electric_charge abstract "Electric charge is the physical property of matter that causes it to experience a force when placed in an electromagnetic field. There are two types of electric charges: positive and negative. Like charges repel and unlike attract. An object is negatively charged if it has an excess of electrons, and is otherwise positively charged or uncharged. The SI derived unit of electric charge is the coulomb (C). In electrical engineering, however, it is also common to use the ampere-hour (Ah), and in chemistry it is common to use the elementary charge (e) as a unit. The symbol Q often denotes charge. Early knowledge of how charged substances interact is now called classical electrodynamics, and is still accurate for problems that don't require consideration of quantum effects.The electric charge is a fundamental conserved property of some subatomic particles, which determines their electromagnetic interaction. Electrically charged matter is influenced by, and produces, electromagnetic fields. The interaction between a moving charge and an electromagnetic field is the source of the electromagnetic force, which is one of the four fundamental forces (See also: magnetic field).Twentieth-century experiments demonstrated that electric charge is quantized; that is, it comes in integer multiples of individual small units called the elementary charge, e, approximately equal to 6981160200000000000♠1.602×10−19 coulombs (except for particles called quarks, which have charges that are integer multiples of e/3). The proton has a charge of +e, and the electron has a charge of −e. The study of charged particles, and how their interactions are mediated by photons, is called quantum electrodynamics.".
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- Electric_charge wikiPageWikiLink Amber.
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- Electric_charge wikiPageWikiLink Ancient_Greek.
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- Electric_charge wikiPageWikiLink Category:Chemical_properties.
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- Electric_charge wikiPageWikiLink Category:Electromagnetism.
- Electric_charge wikiPageWikiLink Category:Electrostatics.
- Electric_charge wikiPageWikiLink Category:Flavour_(particle_physics).
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- Electric_charge wikiPageWikiLink Centimetre–gram–second_system_of_units.
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- Electric_charge wikiPageWikiLink Plasma_(physics).
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- Electric_charge wikiPageWikiLink Quark.