1. n , 4.14.
2. , 4.14.
3. 1 (4.39), 4.13.
4. 2 (4.35).
5. ε
ε= 
·100%
6. n , 4.14.
7. , 4.14.
8. 1 (4.36), 4.14.
9. 2 (4.38).
10. ε ε= ·100%.
11. .
12. .
1. . ?
2. ?
3. , = q/U : .
4. ?
5. ? .
6. , , 4.6, 1 =4; 2 =3; 3 =1; 4 =0,5; 5 =0,7; 6 =6; 7 =6; 8 =4; 9 =4; 10 =5; 11 =2
4.6.
7
:
:
: , , (), , , .
: - l, S - r
S = 
(4.41)
R= 
(4.42)
r= 
(4.43)
(. 4.14), .
I=U/R (4.44)
R= U/I (4.45)
(4.43)
|
|
|
4.14
1. (.4.14) .
2. U I, .
3. d , .
4. D .
5. n 2
6. 4.15
4.15−
| U, B | I, A | R, O | n | d, | D, | r O∙ | r ∙ |  r
∙
| r
∙
| d% | ||
| 1 |
|
|
|
| ||||||||
| 2 | ||||||||||||
| 3 |
