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= 0;

I = 0

, w 0 . (2.10) (2.12) :

 

w0 = U / . (2.13)

 

w = 0 , (I) () . w = 0 :

 

I = U / R; (2.14)

= U / R. (2.15)

 

(2.14) (2.15) , , , R.

(2.10) (2.12) , - , . . .

, , , . , , , -.

: , ,

 

b = D / Dw.

 

 

D = 0;

Dw = 0 - w0,

b = - / w0. (2.16)

 

(2.16) w 0 (2.13) (2.15) :

 

b = - ()2 / R, (2.17)

 

.

Dw = , , , :

 

Dw = w 0 - w = R / ()2. (2.18)

 

l, :

 

l = / . (2.19)

 

( ) .

 





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