2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Ntau yam tseem ceeb, lossis subatomic, cov khoom ntawm cov khoom muaj cov khoom siv hluav taws xob. Piv txwv li, electrons muaj tus nqi tsis zoothiab protons muaj tus nqi zoo, tab sis neutrons muaj pes tsawg tus nqi.
Yuav ua li cas them electrons e nqa?
Electron, lub teeb ruaj khov subatomic particle paub. Nws nqa tus nqi tsis zoo ntawm 1.602176634 × 10 - 19 coulomb, uas suav tias yog chav tsev tseem ceeb ntawm hluav taws xob.
Puas electrons tsis zoo lossis raug them zoo?
Inside ib atom yog protons, electrons thiab neutrons. Cov protons raug them zoo, cov electrons raug them tsis zoo, thiab cov neutrons yog nruab nrab. Yog li ntawd, txhua yam yog tsim los ntawm tus nqi. Cov nqi sib tw sib nyiam (tsis zoo rau qhov zoo).
Puas electron nqa hluav taws xob?
Nyob hauv ntau cov ntaub ntawv, cov electrons nruj nreem khi rau cov atoms. … Cov hluav taws xob xoob ua kom yooj yim rau hluav taws xob ntws los ntawm cov ntaub ntawv no, yog li lawv hu ua hluav taws xob conductors. Lawv ua hluav taws xob. Cov electrons txav tau xa hluav taws xob los ntawm ib qho mus rau lwm qhov.
Electrons nce zog li cas?
Lub tshuab hluav taws xob tuaj yeem nce lub zog uas nws xav tau by absorbing light. Yog hais tias lub electron dhia los ntawm lub zog thib ob mus rau thawj theem zog, nws yuav tsum muab qee lub zog los ntawm kev tawm lub teeb. Lub atomabsorbs los yog emits lub teeb nyob rau hauv discrete pob ntawv hu ua photons, thiab txhua photon muaj ib tug meej lub zog.
Pom zoo:
Puas yog hluav taws xob hluav taws xob muaj ob qhov xwm txheej?
EM hluav taws xob yog lub npe vim nws muaj hluav taws xob thiab sib nqus teb uas ib txhij oscillate hauv cov dav hlau sib koom ua ke rau ib leeg thiab rau kev taw qhia ntawm kev nthuav tawm los ntawm qhov chaw. ✓ Electromagnetic tawg muaj ob qhov xwm txheej:
Puas hluav taws xob hluav taws xob puas tsim hluav taws xob?
Coal feem ntau siv roj los tsim hluav taws xobhauv Tebchaws Meskas. Hauv cov chaw tsim hluav taws xob hluav taws xob hluav taws xob, cov hluav taws xob bituminous, subbituminous thee, lossis lignite raug hlawv. Cov cua kub uas tsim los ntawm kev sib xyaw ntawm cov thee yog siv los hloov cov dej mus rau hauv qhov chaw siab zog, uas tsav lub turbine, uas tsim hluav taws xob.
Cadmium puas yog qhov zoo ntawm cov hluav taws xob thiab hluav taws xob?
Vim nws qhov ua tau zoo raws li tus neeg xyuas hluav taws xob, cadmium feem ntau siv hauv electroplating thiab hauv roj teeb. Tsis tas li ntawd, cadmium thiab cov kev daws teeb meem ntawm nws cov tebchaw yog tshuaj lom thiab yuav tsum tau ua tib zoo saib xyuas.
Lub tshuab hluav taws xob hluav taws xob tsim hluav taws xob li cas?
Piav seb lub twj hluav taws xob hluav taws xob tsim hluav taws xob hla lub membrane li cas. Los ntawm pum electrons hla lub membrane, sab uas cov electrons raug tshem tawm muaj qhov zoo dua, thaum sab tau txais cov hluav taws xob ntau muaj qhov tsis zoo.
Puas yog lub tshuab hluav taws xob puas muaj lub tshuab hluav taws xob?
Vim li cas lub tshuab hluav taws xob sab hauv combustion yuav tsum tsis muaj lub tshuab hluav taws xob los ua kom cov roj tsis zoo li roj av? Spark plugs yog siv nyob rau hauv cov roj cav mus ignite cov pa roj sib tov whereas nyob rau hauv diesel engines lub xub ntiag ntawm lub txim plugs yog tsis tsim nyog.
