, , . : .
: ( ), ( , ), ( ), ( ).
, .
, (). ?
q (. 2.8) .
. q , A/q, , :
E = A/q. (2.12)
, , 1 (1).
, , ().
.
q, I = q/t, (2).
. P =A/t, A = qE q = It,
:
= EI. (2.13)
, , . (5) , .
P=P+P,
; RB ( ).
(2.10), (2.13), (3) :
EI=UI+UJ;
E=U+U (2.14)
( ).
.
(2.14) ,
E = IR + IRB. (2.15)
RB . R . , , (3). , , .
(2.15)
I = E/(R + RB). (2.16)
: .
|
|
, (2.14) , : :
ΣΕ=ΣIR (2.17)
(, , , ), , , , - , , . PH0M, I UH0M.
. 2.8 ( ). (2.14):
U = E IRB, (2.18)
R .
, , (4).
. ( ), (2.18), . , , , .
, . (XX).
(2.18) , U = .
(. 2.9) (5).
, , ().
R = 0, U = IKR=0 E= I R (. 2.10).
, , . I = /R , . . , .
, . (2.18) ( . 2.8), .