, :
(5)
- , , 1 ( 00)
(6)
R0 - 00 ; R - t.
R0 , . :
R1=R0 (1+ t1), R2=R0()
(7)
, .
:
(8)
- , - S , = . = ,
(9)
- , "" ( 20).
, .
(5) (9) :
(10)
(10) - .
, , .
∆ , . (8) :
ℓgR=ℓgA+ (11)
103 . ℓgR, Δ = const , .- , 1 Δ :
(12)
, , , :
(13)
.7. - ( -4) , . 2 0 150. (R R) Rn RM. 220 3. 1% 7-10. Ω .
|
|
.6.
(! !)
1. ~.220 7-10 .
2. "." , .
. ( 3) 100.
4 100 30 10 Rn RM "". . Rn RM 10Ω 100Ω.
t. | Rn, | RM, | ℓgRn | ,oC-1 | ΔΕ, | ||
5. "." . R = f(t) .
6. R = f(t) .
7. ℓgR=f() , , (13) .
=1,3810-23 "/, 1 =1,6 10-19 .
1.
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2. .
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