, .
I I, I. I Rp., :
I = U /(R + Rp.),
U ; R ; Rp.
1 - 3 % . , , : , , .
- U0 = f(I) I = 0 n = const. , , U0 0 = ∙∙n. n , , . . I. U0 = f(I) = f(I). . , U0 ≈ l,25U, .
, . . I = 0 , 24 % U.
- U = f(I) n = const I = const.
U = -I ΣRa,
ΣRa , ( , ).
U :
1) ΣRa ;
2) .
Δu = (U0 - U)/U.
5-15%.
- I = f(I) U = const n = const. , , .
, .
|
|
U = f(I) n = const I = const.
I = I ( 2) ( 1), I = 0. 1 2 ΣRa .
U . .
, , .