: ) , ... , , r 0 (. 1, ), ) , I, , g 0 (. 1, ).
I =Er0, g0=1r0,I=Er0, g0=1r0, (1)
E=I g0, r0=1g0.E=Ig0, r0=1g0. (2)
, .
2.
( ).
.
) , ... (, mn . 2), m n
I=φm−φnrmn=Umnrmn.I=φm−φnrmn=Umnrmn. (3)
φm φn m n, Umn = φm φn m n, rmn = r 4 + r 5 m n.
17.
)
I=ΣEΣr,I=ΣEΣr, (4)
Σ r , Σ E .
..., , ... .
15 17.
) , ... (, acb . 2),
I1=φa−φb+ΣEΣrab=Uab+E1−E2r1+r2+r9,I1=φa−φb+ΣEΣrab=Uab+E1−E2r1+r2+r9, (5)
Uab = φa φb acb, , Σ E ..., , Σ r .
(5) .
15 17.
3.
.
∑k=1nIk=0,∑k=1nIk=0, (6)
, , . , , , ( ).
|
|
∑k=1nIk⋅rk=∑k=1nEk.∑k=1nIk⋅rk=∑k=1nEk. (7)
... .
. , ( ... ), , , . ..., ( , ), , ..., , .
29.
(. . 2)
I1=U1r1=U2r2=Ur1+r2,I1=U1r1=U2r2=Ur1+r2,
U1=U⋅r1r1+r2, U2=U⋅r2r1+r2.U1=U⋅r1r1+r2, U2=U⋅r2r1+r2. (8)
(. 3)
U2=U3=U2,3, I2⋅r2=I3⋅r3=I1⋅r2,3=I1⋅r2⋅r3r2+r3,U2=U3=U2,3, I2⋅r2=I3⋅r3=I1⋅r2,3=I1⋅r2⋅r3r2+r3,
I2=I1⋅r3r2+r3, I3=I1⋅r2r2+r3.I2=I1⋅r3r2+r3, I3=I1⋅r2r2+r3. (9)
n
Uk=U⋅rk∑k=1nrk.Uk=U⋅rk∑k=1nrk.
n
Ik=I⋅gk∑k=1ngk.Ik=I⋅gk∑k=1ngk.