3
1000 .
1. 1000 ( IT).
2. 1000 , .
3. 1000 ( TT).
I .
(, ).
, ( , , ..).
- .
- , .
- 1000 1000 .
- , , . , , .
1000 . , , (.1). , , ( ):
, (1)
U - , ; Rh, - , ; z - , ;
(2)
r - ; w - , -1.
.1.
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(1) :
, (3)
Ih - , , .
, , ( ),
U = Ih×Rh.
, (.2) I , r r , (3):
(4)
.2.
( IT)
U = U = I × r , (5)
U = U ×a1×a2,
a1 - , ; a2 - , , .
, (a1 = a2 = 1),
(6)
, . 1000 r 10 , 100 ×; r 4 .
1000 , , (.3), , , , : 1 - U 1= I r 1, 2 - U 2 = I r 2.
.3. ,
, r 1 r 2. U 1 + U 2 = U (U - ). r 1 r 2, U 1= U 2= 0,5 U . , , 1000 .
, 1 2 , , (, ), .. .
(.4) , ,
,
r 0 - , .
r r 0, .. U = I r ; U 0= I r 0; U + U 0 = U .
.4.
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( )
, r 0 r . r 0 r
U = U 0 = 0,5× U
, 1000 .
, ( TT) .
.5. . R1, R2 R3, 5 120 5.
UL ( 3), U0 , U1 , U2 .
1. 2. 4
2. 3. .
I, , .
1 R0, 4 .
. 5.
1. .
2. - , .