????

?? ??????????????? ?????? ???????????
????
??????? ??????????
????????????? ????
?????? ???? SI derived unit
???????? ?? Electric potential , electromotive force
???? V 
???????? ???? ????????? ?????
In SI base unit s: kg · m 2 · s ?3 · A ?1

???? (?? ???????? : Volt ) ???????? ?? ?????? ?????? ??? ??????? ????? ???????? ???????? ?? ?????? ???????????? ??????? . ???? ??????? ??? ??? ?????????????? ?? ??????????? ????????? ?? ?? ???????????? ??? ???? ????? ?? ??? ???????? ? ??? ???? ???????? ??? ???? ????. ???? ???? ?? ???? ????????? ?????? ?????? ? ????????? ????? (?????????) ??????. [?] [?]

E: ???? ??????????? ??????????

W: ???? ?????? ???????

q: ???????????? ????? ????

?????????? [ ???????? ]

  1. ^ ???? ? ???????? ???????
  2. ^ ???? ??? ? ??????????