Kev txhais ntawm tus neeg xyuas pib nqa khoom tam sim no
Ib tus neeg nqa khoom tam sim no yog tus neeg xyuas pib uas tuaj yeem tiv taus voltage thiab tam sim no.
Txawm hais tias ntau yam khoom siv hluav taws xob hluav taws xob thiab cov kab hluav taws xob tam sim no muaj qhov tshwj xeeb vim kev siv sib txawv, lawv muaj qhov sib xws ntawm kev muaj peev xwm tiv taus voltage thiab tam sim no.