, ... ε r, R. I :
(1) |
㳿 , . I2Rt, I2rt.
:
= I2Rt + I2rt. | (2) |
, :
(2) t, :
P = I2R + I2r = Pk + Pi. | (3) |
P = I2R , . Pi = I2 r .
(1) :
I(R + r) =ε;
(10.3) :
= I2(R + r) = ε. | (4) |
... :
. | (5) |
, (10.1):
(6) |
(6) , : (R = 0) (R = ¥).
(6) f(R) , , R = r; :
(7) |
(5), ... h = 0,5 h = 50%. ... . ... 100%, (R = ∞), = 0. , ... .
... . , R r .
. 1. 璺 , , , . . NI(OH)2, . 20%- . ... 1,3 . ... ... , .
, 璺 . R , r, , . r. R, RA, R = R+ R, R .
ճ
|
|
1. .10.1.
2. r : r=40 , RA=5 100 . ( r, RA .3 !)
3. . R 5 95 10 , 295 50 . . ( , R = R + R).
4. R ... h:
; .
5. (R) h(R). .
1.
2. ?
3. ... ?
4. ? ?
(, r = 40 ; R = 5 ):
. 1
R, | R = R + RA, | I, × 10-3A | P, B | h, % |
.... | .... | |||