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Coulomb'i seadus Vaata ka | Navigeerimismenüür

Multi tool use
Multi tool use

ElektrostaatikaFüüsikaseadused


füüsikaseaduspunktlaengutjõugamoodulabsoluutväärtustevaakumCoulomb'i konstantfüüsikCharles Augustin de Coulomb1785










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Coulomb'i seadus




Allikas: Vikipeedia






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Elektromagnetism
VFPt Solenoid correct2.svg

Elekter - Magnetism


Elektrostaatika


  • Elektrilaeng

  • Staatiline elekter

  • Coulomb'i seadus

  • Elektrivälja tugevus

  • Elektriline induktsioon

  • Gaussi seadus elektrivälja jaoks

  • Elektrivälja potentsiaal

  • Elektrostaatiline induktsioon

  • Elektriline dipoolmoment

  • Dielektriline polarisatsioon

  • Dielektrik





Magnetostaatika


  • Ampère'i seadus

  • Elektrivool

  • Magnetiline induktsioon

  • Magneetumus

  • Magneetikud

  • Magnetvoog

  • Biot'-Savarti seadus

  • Magnetiline dipoolmoment

  • Gaussi seadus magnetvälja jaoks





Elektrodünaamika


  • Lorentzi jõud

  • Elektromotoorjõud

  • Elektromagnetiline induktsioon

  • Faraday seadus

  • Lenzi reegel

  • Nihkevool

  • Maxwelli võrrandid

  • Elektromagnetväli

  • Elektromagnetiline kiirgus

  • Liénardi-Wiecherti potentsiaal

  • Maxwelli tensor

  • Poyntingi vector

  • Pöörisvool





Vooluahelad


  • Elektrivool

  • Pinge

  • Elektromotoorjõud

  • Ohmi seadus

  • Kirchhoffi seadused

  • Alalisvool

  • Vahelduvvool

  • Elektritakistus

  • Elektrijuhtivus

  • Mahtuvus

  • Induktiivsus

  • Memristiivsus

  • Näivtakistus

  • Resonaator

  • Lainejuht





Kovariantne formuleering


  • Elektromagnetvälja tensor

  • Elektromagnetvälja energia-impulsi tensor

  • Neli-vool

  • Elektromagnetvälja neli-potentsiaal





Teadlased


  • Ampère

  • Coulomb

  • Faraday

  • Gauss

  • Heaviside

  • Henry

  • Hertz

  • Lorentz

  • Maxwell

  • Tesla

  • Volta

  • Weber

  • Ørsted




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  • v

  • a

  • r


Coulomb'i [kul'ooni] seadus ehk elektrostaatilise vastastikmõju kvantitatiivne seadus on füüsikaseadus, mis ütleb, et kaks punktlaengut q1displaystyle q_1 ja q2displaystyle q_2 mõjutavad teineteist jõuga Fedisplaystyle F_e, mille moodul on võrdeline nende laengute absoluutväärtuste korrutisega ja pöördvõrdeline nendevahelise kauguse ruuduga. Kui keskkond on vaakum, siis kehtib valem


Fe=k|q1||q2|r2,displaystyle F_e=kfrac leftr^2,

kus võrdetegur k=14πε0displaystyle k=frac 14pi varepsilon _0 on Coulomb'i konstant, mille ligikaudne arvväärtus vaakumis on 8,987551787∙109 Nm2/C2.


CoulombsLaw scal.svg

Teisisõnu, kui kehi saab vaadelda punktlaengutena, siis samanimelise laenguga kehad tõukuvad ja erinimelise laenguga kehad tõmbuvad jõuga, mida kirjeldab valem.


Seaduse avastas prantsuse füüsik Charles Augustin de Coulomb 1785. aastal.



Vaata ka |


  • Ampère'i seadus

  • Maxwelli võrrandid




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