Nrog rau kev nce qib hauv zej zog sai sai, cov khoom siv hluav taws xob tau nce zuj zus ib hnub. Txawm li cas los xij, kev laus thiab kev loj hlob ntawm cov chaw xa hluav taws xob thiab cov khoom siv hluav taws xob, nrog rau cov qauv tsim tsis zoo thiab cov khoom siv hluav taws xob tsis txaus, ua rau qhov hluav taws xob ntawm cov neeg siv kawg tau qis dhau, thaum lub zog ntawm cov neeg siv kab feem ntau siab dhau. Rau cov khoom siv hluav taws xob, tshwj xeeb tshaj yog siab - cov cuab yeej siv thev naus laus zis thiab cov cuab yeej siv hluav taws xob nruj, zoo li tsis muaj kev pov hwm.
Tsis ruaj tsis khov voltage yuav ua rau tuag taus raug mob lossis ua haujlwm tsis zoo ntawm cov khoom siv, cuam tshuam rau kev tsim khoom, ua rau qeeb hauv kev xa khoom, tsis ruaj khov thiab lwm yam kev poob. Nyob rau tib lub sijhawm, nws ua rau lub sijhawm laus ntawm cov khoom siv, cuam tshuam rau lub neej kev pabcuam thiab txawm tias kub hnyiab cov khoom siv, kom tus tswv ntsib teeb meem ntawm kev xav tau kev saib xyuas lossis xav tau hloov kho cov khoom siv nyob rau lub sijhawm luv luv, nkim peev txheej; Nyob rau hauv cov xwm txheej hnyav, kev nyab xeeb xwm txheej txawm tshwm sim, ua rau poob tsis tau
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