1. .
1. (. 1).
2. R1=10 O R2=20 O,
I1 I2.
3. .
(1)
4. . 1.
5.
De i =êe -e i ê; 
6. :
e De =.
G 4
A
R x 10
S 2
. 1.
1
| N/ | R () | I () | R () | I () | e () | De () |
| .. | - - - - - - | - - - - - - |
2. , .
1. ( 2).
2. (R = ).
3. (S) (V). , .
4. . R 0 100 10 , (U) (mA) 2.
5. .
6. Po =I2 R ()
P = I e ()
... h = U/e
7. = f(R); Po = f(R); I = f(R); h = f(R); U = f(I).
8. P = f(R) I = f(R) r I..
9. I U .
R 1 Rx10
S 2
 |  |  |  | ||||
V
 |
G 4
A
.2. .
2.
| N / | R () | I (A) | U (B) | P0 () | P () | h |
.
1. , , .
2. , -.
- .
3. , . .
4. " "?
5. ?
