.
:
.
.
1. .
:
- ∑
:
()
(. )
.
.
, . / .
V , , , .
:
. V
V, ,
2.
2.1. :
. , , .
∑ , , . , , .
, . .
2.2. , .
:
∑
, :
V
/
C
.
V , .
, .. , ∑ , .
/ , .
∑ , .
:
.
:
a b = ∑ V , /.
= * %- /.
b = I - II
c = ∑ ∑ V .
d = , V [( V) * ]
2.3. ()
, . V :
, = , 100:
∆ . = å( - ) * / 100, i i .
2.4.
. :
%-
, . . .
3. .
1) :
-
-
- ()
- -
= / = /
. ,
.
= ∑ / ∑ .
2) = : R = / R = / .
- , .. .
3) () ., , . R = / å R = /å R= / å
∑ : , , , , .
:
∆R = ( V, ij, ѳ, ֳ) / ( V, ij, ѳ, ֳ)
4. :
R = i / i = Vϳ (ֳ - ѳ) / Vϳ * ѳ = ֳ - ѳ / ѳ, . R = /
:
- R R
/ R R
:
V
-
/
V , :
5 :
) V
b) - R _2 =
c) - R _3 =
d) / - R _4 =
e) -R _5 =
, R- :
1) ∆R = R2 R1
2) ∆R = R3 R2
3) ∆R = R4 R3 R - R
4) ∆R = R5 R4
5) ∆R = R R5
3.1
:
, . :
1
/ 1
( ).
. , . å . å :
i = * i
Di = * i .
, .
.
, , .
http://www.shpori4all.narod.ru/
|
|