Electric Field vs Sib Nqus Field
Hluav taws xob thiab thaj chaw sib nqus yog cov kab tsis pom ntawm lub zog tsim los ntawm qhov tshwm sim xws li lub ntiaj teb cov hlau nplaum, thunderstorms thiab kev siv hluav taws xob. Nws yog ib qho ua tau kom muaj ib qho tsis muaj lwm yam tab sis feem ntau, hluav taws xob teb yog muaj thaum tsim magnetic teb. Electromagnetism yog ib feem ntawm Physics uas kawm txog hluav taws xob thiab chaw sib nqus.
teb hluav taws xob
Ib cheeb tsam nyob ib puag ncig cov khoom siv hluav taws xob hu ua nws lub teb hluav taws xob thiab daim teb no tawm dag zog rau lwm cov khoom siv hluav taws xob. Lub teb hluav taws xob muaj ob qho tib si kom muaj nuj nqis thiab kev coj ua thiab yog li ntawd yog vector kom muaj nuj nqis. Nws tau qhia hauv Newtons per Coulomb (N/C). Qhov loj ntawm txhua qhov hluav taws xob ntawm txhua qhov chaw yog qhov quab yuam nws tawm ntawm qhov zoo ntawm 1C ntawm qhov taw tes uas qhov kev taw qhia ntawm lub zog txiav txim siab ntawm qhov chaw. Peb hais tias muaj ib qho hluav taws xob nyob rau hauv qee qhov chaw nyob ib puag ncig cov khoom siv hluav taws xob. Cov khoom uas tsis muaj hluav taws xob tsis tsim hluav taws xob. Yog hais tias muaj ib qho hluav taws xob tsis sib xws, cov khoom siv hluav taws xob uas muaj hluav taws xob yuav txav mus raws li qhov kev taw qhia ntawm qhov chaw, thaum cov khoom nruab nrab yuav tsis.
magnetic field
Ib qho khoom siv hluav taws xob thiab txav mus los tsis yog tsuas yog muaj hluav taws xob hauv nws ib puag ncig, nws kuj muaj qhov sib nqus. Txawm hais tias yog cov koom haum sib cais, lawv muaj kev sib raug zoo nrog ib leeg. Qhov no tau ua rau tag nrho cov kev tshawb fawb hu ua electromagnetism. Tsiv nqi uas muaj hluav taws xob zoo li tsim hluav taws xob tam sim no. Thaum twg muaj hluav taws xob tam sim no peb tuaj yeem xav tias muaj qhov sib nqus tam sim no. Muaj ob qhov sib txawv tab sis muaj feem cuam tshuam uas raug xa mus rau qhov chaw sib nqus. Zoo li hluav taws xob teb, magnetic teb kuj yog vector kom muaj nuj nqis. Lub zog uas lub teb sib nqus ua haujlwm ntawm kev txav mus los yog qhia raws li Lorentz quab yuam.
Kev sib raug zoo ntawm hluav taws xob thiab cov hlau nplaum yog qhia siv Maxwell qhov sib npaug. James Clark Maxwell yog tus kws kho mob uas tsim qhov sib npaug los piav qhia txog hluav taws xob thiab hlau nplaum.
Hluav taws xob thiab sib nqus teb oscillate ntawm txoj cai kaum rau ib leeg. Nws muaj peev xwm muaj hluav taws xob tsis muaj qhov sib nqus, xws li hauv hluav taws xob zoo li qub. Ib yam li ntawd, nws muaj peev xwm muaj magnetic teb yam tsis muaj hluav taws xob raws li cov hlau nplaum ruaj khov.
Summary
• hluav taws xob thiab sib nqus teb yog kawm nyob rau hauv ib qho kev kawm ntawm physics hu ua electromagnetism.
• Ob leeg sib cais tab sis muaj kev sib raug zoo rau ib leeg.
• hluav taws xob yog thaj chaw nyob ib puag ncig cov khoom siv hluav taws xob txav uas tseem ua rau cov hlau nplaum sib nqus.
• Kev sib raug zoo ntawm hluav taws xob thiab hlau nplaum yog qhia siv Maxwell qhov sib npaug.
• hluav taws xob thiab hlau nplaum yog qhov sib npaug rau ib leeg.
