4.1. (.7).
7 .
4.2. E1 0..-1 , E2 0..+5 . mA1, : 0, +10 , V1, : 0, -1 .
4.3. I = f (U), U = 0 U = 5 . E2 V2. E1 , (mA1) 10 .
4.4. .
5.1. h - :
h11=∆U/∆I ∆U =0
h12=∆U/∆U ΔI = 0.
h21=∆I/∆I ∆U =0.
h22==∆I/∆U ΔI = 0.
, .
5.2. :
h11 = r - .
h12 = - .
h21 - (β - , α - ).
ri =1/ h22 - .
r, | β () α () | ri, | ||
h - .
h11:
U = 0,1 ∆U =0.
h11=∆U/∆I=∆U/∆I=r.
r - .
h12:
h12=∆U/∆U=∆U/∆U =;
∆U= U .- U(0).
- .
h21:
, , h11 h12. . ∆U = const, ∆I ∆I.
h21=∆I/∆I=∆I/∆I=β
∆I = I5-I4
β - .
h22:
, h21 . I = const, , ∆I ∆U.
h22==∆I/∆U=∆I/∆U=1/ri
ri - .
h11:
. U = const, , ∆I ∆U.
|
|
h11=∆U/∆I=∆U/∆I=r,
r - .
h12:
h12=∆U/∆U=∆U/∆U =
- - - h12 .
h21:
, , h11. . U = const, ∆I ∆I.
h21=ΔI/ΔI=ΔI/ΔI= α;
α - .
h22:
, h21 . I = const, , ∆I ∆U.
h22= ΔI/ΔU=ΔI/ΔU=1/ri
ri=1/h22 - .
:
:
:
:
1. () ().
2. .
3. .
4. .
5. .
6. .
r, | β () α () | ri, | ||