.


:




:

































 

 

 

 


. , ( )




, ( ), .

:

= 50 ;

= 24 ;

= + 6 .

.

, V2. , V1 , , .12.

.

7.5.1. :

)

)

7.5.2. V2

) V2

I 2 = I = 2.08 A;

) V 2

U 2 = = 24 ;

) 213 .

I . = 5 .

U . = 45 .

I 0 (200 ) = 0.15 .

U = 0.5 .

β = 20 50.

7.5.3. V2:

) V2

I 2 =

, 1.4 1.6;

) , R 1 R 2,

R = R 1 + R 2 =

U 2 V2 . . U ≈ 0.5 U ≈ 1 ;

) R 1 R 2, , R 1 = 0.8 R;

R 2 = 0.2 R:

R 1 = 0.8 R = 0.8 ∙ 151 = 121 ;

R 2 = 0.2 R = 0.2 ∙ 151 = 30 .

7.5.4. V1:

) ( )

I 1 =

) V1 ( )

U 1 .

) 25 .

I = 400 .

U = 40 .

U .

β = 20

7.5.5. V2:

) V2

U 2 = 0.2 ;

) R 2, V2,

U = U 2 + Δ U 1 = 0.2 + 1 = 1.2 ;

) , R 2, V2 ,

I =

) I < I 1 :

0.04 < 0.2;

) , R 3, V2 ,

I = I + I 0 V = 40 + 0.2 = 40.2 ;

) R 3

U = E U 2 = 6 0.2 = 5.8 ;

) R 3:

R 3 =

7.5.6. :

) , V1 ,

I = I 1 =

) V1 ( U ≈ 0.5 )

U ≈ 0.5 ;

)

= U I = 0.5 ∙ 0.015 = 0.0075 ;

)

=

7.5.7. V3.

V3 , ( ..), . ... , .

V3 :

) V3

Ua 3 = E = 24 B;

) V3

Ia 3 = I = 2.08 ;

) 303 .

- ( )

I . = 3.0 .

-

U (200 ) = 150 ;

U (100 ) = 50 .

, . 12.

12

, ,
           
             
             
             
             
             

.

= 6 .


1. .. . . . , 1978.

2. , . . . ... . 4-. ., , 1976.

3. .., .., .. . . ., , 1975.

4. .. . ., , 1967.

5. . ., , 1972.

6. .. . , , 1973.

 


.............................................................1

1. ...... 2

2. , ... 6

3. , ..10

4. .................................. 15

5. .................19

6. ................24

7. , ..27

......................................................... 31





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