. .7.
. (9)
, () p-n /5/( 1, .7). , ; ; .
() 2 4, .7 . (.8)
(1-α)I , . (9) A ( 2, .7).
.8. U = 0
A , :
. (10)
W, , , (10).
, , . C I2 (.7) ( , (9)). , , ( D .7). , ( 3, 4, .7).
. 9.
I1 =0:
T1= +20 ºC; --------- T2= +50 ºC
- . ( IV, .7) , . ( III). . ( II) . . I , . . .7 , , .
|
|
.
. I1 =0 ( ) - :
. (11)
. 9 T1=+20ºC.
I0. I0, - /5/, . 10ºC ( .9).
(I >0) . 10. (9) - I0 α.
. 10.
I >0:
T1= +20 ºC; --------- T2= +50 ºC
.10 , . , I0 α ( , . 10)
, , , . .