Download - Circuitos Eletricos
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Profº Anderson LESSA
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LEIS DE KIRCHHOFFLei dos nós
∑ ∑= saemchegam ii
i 2
i 1i 3
i 4
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∑ =++ 0)( resistoresreceptoresgeradores UUU
E 1 E 2
E 3
E 4
R 1
R 2
R 3i
LEI DAS MALHAS
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LEI DE OHM GENERALIZADA
E 1 E 2
E 3
E 4
R 1
R 2
R 3i
A
B
∑ ++= )( resistoresreceptoresgeradoresAB UUUU
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Ai
ii
iRiR
1
0.46.212
0.. 2211
==+++−
=+++− εε
VU
U
UUiRU
A
A
BAAB
5
151.212
.11
=∴−=+−
−=+−= ε
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Ω12 Ω4
Ω2
ε
0124
0122
12
2
21
=−=++−
+=
ii
ii
iii
ε
V30=ε
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a) Ω= 30Req
Ai
i
RiU
4
30120
=∴=
=
b) WiUP 4804.120. ===LEMBRANDO...
kJE
E
tPEt
EP
24
50.480
.
=∆=∆
∆=∆⇒∆∆=
c) Refazer a e b com os novos valores
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BOA SORTE!!!