Suab theem ntsuas rau kev ntsuas lub suab nrov

Lub suab qib ntsuas yog qhov ntsuas pib nrov tshaj plaws. Nws yog cov twj siv hluav taws xob, tab sis nws txawv ntawm cov hom phiaj hluav taws xob xws li voltmeters. Thaum hloov lub suab cim ua suab piav qhia ua lub teeb liab hluav taws xob, nws yog ib qho ua tau los piv rau cov yam ntxwv ntawm tib neeg lub ntsej muag rau cov suab nrov; cov yam ntxwv zaus nrog cov sib txawv rau qhov siab thiab tsawg zaus thiab cov yam ntxwv sib zog rau kev hloov cov yam ntxwv ntawm lub suab nrov rau cov suab nrov sib txawv. Yog li ntawd, lub suab qib ntsuas yog qhov ntsuas hluav taws xob.