A.RL B.L/R C.R/L D.1/(RL)
A.RC B.C/R C.R/C D.1/(RC)
A.電位是個(gè)代數(shù)量 B.當(dāng)參考點(diǎn)不同時(shí),各點(diǎn)的電位也隨之改變,但各點(diǎn)間的電壓不變 C.參考點(diǎn)的標(biāo)示符號(hào)一般為電氣“地”的符號(hào) D.兩點(diǎn)間的電壓為各點(diǎn)電位的代數(shù)和