. 4.
. 4 . . ) p n . U1 Up R3 R4:
Up = U1R4/(R3+R4) (3)
Un = Up, I1 :
I1 = (U2 - Up) / R1 (4)
c) I1=I2. :
U = Up - I1R2 (5)
(3) (4) (5), :.
(6)
R1R4 = R2R3,
U = (U1 - U2)R2 / R1 (7)
1: , (6), (7) , R1 R2 , , , , Z1(s) Z2(s).
, R1 R2 (. 6). K , (6) U2 = 0, R3 = 0, R4 . :
. (9)
. 6.
, . . , , . . - . , , .
(. 5).
. 5.
.
(8)
, . , .
. , ) I1 = U2 / R1. , R = R1. , ) , (.. ) .