U U U U UR L C X= = = = = I A+ 0 0 0 0 0 0 ( )Z R Z Z ZL C XUI U AU U U= = = = =+ R L C X ( )
2. ĐỊNH LUẬT ÔM.
U U U U U
R
L
C
X
= = = = =
I A
+
0
0
0
0
0
0
( )
Z R Z Z Z
L
C
X
U
I U A
U U U
= = = = =
+
R
L
C
X
R
L
C
X
0
0
0
0
0
0
L
C
X
R
L
C
X