Video: Yuav ua li cas cov hluav taws xob tam sim no ntws nyob rau hauv ib tug conductor?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Thaum ib hluav taws xob tam sim no ntws nyob rau hauv ib tug conductor , nws ntws raws li ib tug drift ntawm dawb electrons nyob rau hauv cov hlau. Hluav taws xob ntws yooj yim dhau ib tus thawj coj vim hais tias cov electrons muaj kev ywj pheej txav mus los ntawm cov khoom. Thaum twg muaj kev txav ntawm electrons los ntawm a tus thawj coj , ib hluav taws xob tam sim no yog tsim.
Ib yam li ntawd, puas tam sim no ntws hauv tus neeg xyuas pib?
Hluav taws xob ntws tam sim no feem ntau ntawm "daim tawv nqaij" ntawm lub tus thawj coj , ntawm sab nrauv thiab ib theem hu ua qhov tob ntawm daim tawv nqaij. Cov nyhuv ntawm daim tawv nqaij ua rau muaj kev tiv thaiv zoo ntawm cov tus thawj coj kom nce ntawm ntau zaus qhov chaw ntawm daim tawv nqaij qhov tob yog me me, yog li txo qhov zoo ntawm cov ntoo khaub lig tus thawj coj.
Kuj Paub, vim li cas hluav taws xob hla dhau tus neeg xyuas pib? Tus coj yog cov ntaub ntawv lossis cov khoom uas tso cai hluav taws xob rau ntws los ntawm lawv. Lawv muaj peev xwm coj tau hluav taws xob vim lawv tso cai rau electrons ntws hauv lawv yooj yim heev. Tus coj muaj cov electrons dawb ntawm nws qhov chaw uas tso cai tam sim no rau hla dhau.
Ib yam li ntawd, thaum tam sim no ntws los ntawm tus neeg xyuas pib yuav ua li cas?
Thaum tam sim no ntws los ntawm ib tug conductor xws li tooj liab hlau , tag nrho cov electrons uas yav tas los tsiv ntawm randomly tau ua ke thiab pib txav mus rau tib txoj kev. Ib qho ntxim nyiam heev ces tshwm sim : Cov electrons hloov lawv lub zog electromagnetic dhau tus hlau yuav luag instantaneously.
Lub zog twg yog lub roj teeb?
hluav taws xob zog
Pom zoo:
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