Title: Kirchhoff Current Law ( KCL )
1???? ?????? ????044109
2????? ???
- ????? ???????
- ??? ?????? ?? ??????? ( ??"? )
- Kirchhoff Current Law ( KCL )
- ??? ?????? ?? ??????? ( ??"? )
- Kirchhoff Voltage Law ( KVL )
- ?????? ????????
- ??? ?? ??????? ?? ???? ???????? ???? (?????,
??????, ?????, ??????). - ???? ????? ???? ??????? ????? ????? ?????.
3??? ?????? ?? ??????? ( KCL )
- ????? ??????? ?? ?? ?????? ??????? ????? ???? ???
??? ??? - ???? ????? ?? ??? ?????? ???? ???? ?? ?????
????? - ????? ?????? ??? ????? ???? ????? ?????
- ??"? ?????? ??????
- ??"? ?????? ???? ?? ?????
- ??"? ????????
4????? ?????? ???? ????? ??"?
- ????
- ?????? ?? ??????? ??????? Zi(s)
- ?????? ???? VS,i(s) ????????? ?/?? ???????? ??
????? ?????. - ???? ??? Vab(s)
- ?????
- ?????? ??????? ???? ?? ????? ????? ??????? (?????
???????). - ?????? ????? ?? ????? ?????? (????? ???????).
5????? ?????? ???? ????? ??"?
- KCL ???? ????? a
- ??? ???? ???? i
- ???? ???? ???? ?? ??? Vab(s)
6????? ?????? ???? ????? ?????? ??? ??????
- ????
- ???? (?????) ??? ???? ??? ????? ?????? ???? t
0. - ???? ?????? t lt 0 ???? ???? VC,0 100 V
-
- ???? ??? Vab(t) , ???? ?? t
- ?????
- ???? t lt 0
7????? ?????? ???? ????? ?????? ??? ??????
- ???? t gt 0
- ????? ?????? ??? ?????? ????? ?? ???????
8????? ?????? ???? ????? ?????? ??? ??????
???? ?????
??? ?????? ?? ????
????? ????
??? ?????
9??? ?????? ?? ??????? ( KVL )
- ????? ??????? ?? ?? ?????? ??????? ?????? ?????
???? (?????) ???? ???? ??? ??? ??? - ?????? ????? ????? ??? ?????? ?? ?????, ???? ???
?????. - ?????? ??????? ???? ?????? ????? ???????. ??????
?????? ??????. - ???? ????? ?? ??? ???? ?????? ( ??? ????? ? )
- ??"? ?????? ??????
- ??"? ?????? ???? ?? ?????
- ??"? ????????
10????? ?????? ???? ????? ??"?
- ????
- ????? RC ???? ??? ???? 1 ??? ?????
- ???? t 0 ??????? ?? ???? ???? 2
- ???? ??? AC
- ???? ??? DC
- ???? ??? ?? ??? ???? ???? ?? t
11????? ?????? ???? ????? ??"?
- ?????
- ????? ???? ?????? ( t lt 0 ) ??? ?????? ??????
???? ?????. - ???? t 0 ?????? ???? ??? .
- ???? ?????? ??? ?? ???? ?? "????", ??? ???? ?????
VC(0) ????? ?????? ?????? ???? ????? ???? t 0 . - ????? ????? RC ?????? ?????? ???? ????? ?????
???????? ( ???? t lt 0 ). - ???? ?? ????? ??? ? AC
12????? ?????? ???? ????? ??"?
- ????? ???? ?? ????? ??? ????
13????? ?????? ???? ????? ??"?
- ???? ?????? ???? ?? ?????? ??????
- ????? ???? ?? ??? ???? ????? ???? ( ???? t lt 0 )
??? ???? ????? ?? ??? ???? ???? ??????. ????
?????? ???? ?? ??? ????, ??? ?? ???? ????? ????
??? ???? ??????.
14????? ?????? ???? ????? ??"?
- ????? ????? ???? ????? ?????? ?????? ???? ?????
????? ???????? - ???? ????? ?????? ????
- ????? ??????? ????? ?????? ????? ???????, ??????
?????? - ?????? - ???? ?? ????? ?????? ???????? ???? ?? ??????
????? ?????? ?????? - ??????? ???? ???????? (????? ????)
- ????? ??????? ???? ?????? ?? ????? ??? ??????
- ????? ????? ??? ?????? ??????? ?????? ?????? ????
15????? ?????? ???? ????? ??"?
- ????? ????? RC ?????? ?????? ???? ????? ????????
??????? ( ???? t lt 0 ). - ????? ???? ????? ???
- ??????? ?????? ?????? ????? ???? ????? ??????
16????? ?????? ???? ????? ??"?
- ????? ????? ??? ?? ?????? ?????? s jw ????
??????? ??????
- ?"? ????? ?????? ??? ????? ?????? ????? ??? ???
17????? ?????? ???? ????? ??"?
- ????? ????? ???? ????? ?????? ?????? ???? ?????
????? ??????? ?????? - ???? ?????? ????
- ????? ??????? ????? ?????? ????? ???????, ??????
?????? - ?????? - ???? ?? ????? ?????? ????? (????? ????) ???? ???
(????? ????? ???) - ??????? ???? ?????? ???? (????? ????)
- ??????? ??????? ??? ??? ????? ???? ?????. ?????
????????? ?????? ???? - ????????? ??? ?????? ??? ????? ?? ????????? ???
?????? ?- H(jw), ???? ?? ??? ?????? ??? ???? ??
???? ??? ?????? ?- ?(w)
18????? ?????? ???? ????? ??"?
- ???? RC ???? ????
- ???? ????? ?? ??? ????
- ?????? ????? ???? ?????? ??? ???? 1 ?? ????
- ?????? ?????? ?? ???? ???? ??????
- ???? ??"?
19????? ?????? ???? ????? ??"?
- ???? ???? ?? ???? ?? ????
- ???? ?? ????? ???? ?? ??? ????? DC
- ???? ?? ????? ???? ?? ??? ????
- ?????? ?? ??? ???? ????? ????
20????? ?????? ???? ????? ??"?
- ????? ????? ???? ????? ???? ???? ????? ????? ????
- ???? ?????? ????
- ?????? ????? ?????? ??? ???? ???? ??????
- ???? ????? ?????? ????? (????? ????) ???? ??????
????\???? ?? ???? ????? - ??????? ???????? ????? ????? ???? (????? ????)
- ????? ???????? ????????? ?????? ?? ??? ??????
- ????? ???? ????? ???? ??????
21????? ?????? ???? ????? ?????? ??? ??????
22???? ???????????? Superposition Theorem
- ??????
- ????? ??????????
- ????? ???? ????? ????? ??????? ?????? ????????,
??? ??????? ???????? ???? ??? ????? ????? ?????
??? ????. ????? ????? ???? ????, ??????
??-??????? - ????? ????? ??? (ZIR) ??? ??????? ???????? ??
???? ????? - ????? ???? ??? (ZSR) ??? ??????? ???????? ?? ????
- ????? ???? ?? ???? ????? ??????? ??? ???????????
?? ????? ????? ??? ?????? ???? ???.
23???? ???????????? Superposition Theorem
- ?????
- ???? ?????? ????? ???????????? ??????? ????
????? ??????? ???? ????? (???? ????????) ?????
???? ?? ??? ?? ???? ???? ????? ???????? ???????
??????? ??? ?? ??? ?????? . - ????
- ?? ???? ???????? ?????? ????? ???????? ????
?????? ????????? ?\?? ???????? ?? ??? ??????
????? ???? ?????? ????, ??? ????? ???? ????
????? ?????? ?? ?? ???? ????? ???? ??? ???????
???????, ????? ???? ??? ????? ????, ???? ???
????? ????. - ????
- ???? ?????? ????? ???????????? ?????? ???? ??
????? ???? ??? ???????.
24????? ?????? ???? ????? ????????????
- ????
- ???? ?? ???? ??????
- ???? ??? Vab(s)
- ?????
- ??? ???? ???????????
- ????? ?? ???? ??' 1
25????? ?????? ???? ????? ????????????
- ?????? ????? ?? ???? 3 ????