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Multi tool use
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Elektromagnetism


elektromagnetväljaselektrilaengulejõuduelektriväljastmagnetväljastvasaku käe reegliHollandiHendrik Lorentzi










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Lorentzi jõud




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


Lorentzi jõuks nimetatakse elektromagnetväljas liikuvale elektrilaengule mõjuvat jõudu.


Liikuvale osakesele mõjub nii elektriväljast põhjustatud jõud qEdisplaystyle qmathbf E kui ka magnetväljast põhjustatud jõud qv×Bdisplaystyle qmathbf v times mathbf B . Kogu osakesele mõjuv jõud on seega:


F=q(E+v×B),displaystyle mathbf F =q(mathbf E +mathbf v times mathbf B ),

kus



Fdisplaystyle mathbf F on osakesele mõjuv jõud (njuutonites N),


Edisplaystyle mathbf E on elektrivälja tugevus (voltides meetri kohta V/m),


Bdisplaystyle mathbf B on magnetiline induktsioon (teslades T),


qdisplaystyle q! on osakese laeng (kulonites C),


vdisplaystyle mathbf v on osakese kiirus (meetrites sekundis m/s).

Kui osake liigub magnetväljas (st E = 0), saab Lorentzi jõu suunda määrata vasaku käe reegli abil.


Lorentzi jõud on nimetuse saanud Hollandi füüsiku Hendrik Lorentzi järgi.



Vaata ka |


  • Faraday seadus

  • Halli efekt




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