1. 䳿
2. 7-38, -11, 3-38
3. 7-38
7-38 220 . ϳ 2-3 .
. , , . .
, .1 ( - ), .
1
| 0,2<U<2 B f=50 | 2<U<20 B f=20 | |
| U, B | ||
| ||
|
| |
7-38 10-52*104 . , . 2. . , .
2
| R<200 | 200 < R < 30 | |
| R, | ||
 %
| ||
|
| |
4. -11
-11 , . . 3-5.
. 4...5 . .
3
| 0,2<U<2 B f=50 | 2<U<20 B f=20 | |
| U, B | ||
| ||
|
|
| |
4
| R<2 | 2 < R < 20 | |
| R, | ||
| ||
|
|
| |
5
| 0,2 < f < 2 | 2 < f < 20 | |
| f, | ||
| ||
|
| |
5. 3-38
3-38 220 . ϳ 2-3 .
|
|
|
3-38 . . 6.
6
| 10 < U < 30 B f=10 | 3<U<10 B f=10 | |
| U, | ||
|
| ||
|
|
| |
6.
