- .
- .
I2 I3 + I6 = 0 ( 1)
I1 + I3 - I4 = 0 ( 2)
- I1 - I2 - I5 = 0 ( 3)
3. .
4. .
- I1R1 + I2R2 + I3R3 = 0 (I )
I1R1 + I4 R 4 - I5 R5 = 4 1 (II )
- I3 R 3 I6 R 6 I4 R4 = - 2 3 (III )
5. R, 6 6 .
0 +I2 I3 + 0 + 0 + I6 = 0
I1 + 0+ I3 - I4 +0 + 0 = 0
- I1 - I2 + 0 + 0 - I5 + 0 = 0
- 8I1 + 6I2 + I3 + 0 + 0 + 0= 0
8I1 + 0 + 0 + 7I4 - 12I5 + 0 = - 4
0 +0 + 0 - 5I3 7I4 + 0 - 10I6 = - 18
6. ( ).
*
7 1.
| I1 | I2 | I3 | I4 | I5 | I6 | |
| , | -0,052 | -0,555 | 0,582 | 0,53 | 0,608 | 1,138 |
.
1. (R1, R4, R5) (R1,5; R4,1; R5,4).
2. .
3. .
__________ ___________ (_________________)
5. 5 .
:
.
:
Electronics Workbench.
:
1. (I1, I2, I3), 1.
1
| R1; | |||||||||||||||
| R2; | |||||||||||||||
| R3; |
1 = 100 , 2 = 200, r01 = 500 , r02 = 200 .
.
.
│ I1 I3 I2 = 0 ( 1)
│ I3 ∙ R3 + I1 ∙ R1 + I1 ∙ r01 = E1 ( 1)
│ I3 ∙ R3 + I2 ∙ R2 + I2 ∙ r02 = E2 ( 2)
|
|
|
I3 = E1(R2 + r02) + E2(R1 + r01).
(R1 + r01 + R3)(R2 + r02) + R3(R1 + r01)
I2 = E2 I3 ∙ R3.
R2 + r02 R2 + r02
I1 = I3 I2
2. Electronics Workbench.
3. , .
4. .
5. .
6. 2.
2
| I1; | ||
| I2; | ||
| I3; |
7. .
___________________________
.
_____________________ _____________________
____________________________
______________
__________ ___________ (_________________)
6. 6 .
.
.
- ,
- R1; R2; R3,
- 1; A2; A3,
- V,
- .
1. .
2. 75 .
3. .
4. 1 ( 1, 2, 3, 4).
1
| U | I | P = UI | R = U / I | |||
| R1 | ||||||
| R2 | ||||||
| R3 | ||||||
| R1 | R3 | |||||
| R2 | ||||||
| R3 | ||||||
| R1 | R3 | |||||
| R2 | ||||||
| R3 | ||||||
5. R3 ( 5, 6, 7, 8) R3. 1.
6. . 1.
7. R3.
_________________
.
- .
_____________________ _____________________
- .
____________________________
|
|
|
______________
__________ ___________ (_________________)
7. 7 .
:
.
