. c
 |
. 1 .2
1.C ( 1) 
2. R2 = 5 O R3 = 10 . S2 . .
3. S2, 1 2
4. ( 2).
5. S2, .
6. , U3 , R2 R3 U1 U2. .
7. , R, R2 R3 .
2.
1. .3.
 |  | ||
. 3 . 4
2. G4.
3. R2 = 5 O R3 = 10 . S2 . .
4. S2, 4300 1 - 2.
5. .4.
6. S2,
.
7. , U3 .
8. , R, R2 R3 .
.
1. . .
2. . .
3. .
4. 4- 20 , :
| R | I () | I () | R () | U () | U () | |
 10
|
R R
R R
|
