: , .
, .
.
- . . 4.9.1 . (R1 R2) (R3 R4) .
. 4.9.1
. , , . , (. 4.9.1) :
R12 = R1 + R2, R34 = R3 ×R4 / (R3 + R4), SR = R12 + R34.
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.
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(. 6.1) 15 .
. 6.1.
. , R1R4 R3-4 ( !). , .
. 6.1.
6.1
, % | |||
R1, | |||
R2, | |||
R3 | |||
R4, | |||
R3-4, | |||
R, | |||
I4, | |||
I5, | |||
I6, | |||
U, B | |||
U1, B | |||
U2, B | |||
U34, B |
, . 6.1.
, () :
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1. ,
2.
3.
4.
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5.
6.
7. ,
8.
9.
10.
11.
6.4. 6.
1. 6, . .
2. 6.1. .
3. (U,R1,R2,R3,R4), .6.1., .
4. 6.1.
5. , .
6. , .
7. .
8. , , , .