3 , 3 - IR UR . , - .
. 3 . 3
(L -)
, (3)
, ,
(4)
(3) (4) , p/2 . (. 4) , -, p/2 ( ). . 4 .
|
|
|
. 4 . 4
,
. (5)
(C -)
, ,
, (6)
. I = dq/dt,
. (7)
. (8)
(6) (8) , - p /2 (. . 5 5).
.
(9)
. 5
RLC-
, , (.6), -
.6
.
I . I 0, (. 7). UR - (. . 3), -,
UR 0 = I 0 R. UL p/2 (. . 4), ( - UL 0 = I 0 wL) . UC p/2 (. . 5), ( - UC 0 = I 0/ wC) .
- U RLC -, Z, I.
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U , , UR, UL UC. , - ( )
. (10)
(10) RLC -. , Z :
. (11)
j , . -
. (12)
RLC-
, Z w.
w = 0, R C = 1/ wC = ¥ , , Z = ¥, . , , . w Z Zmin = R w ,
, (13)
. (14)
Z , - , - w ¥ (. 8).
w . w = w
. (15)
:
(16)
. (17)
ρ= , Q= ρ/R RLC-. ρ>R, - , RLC - Uo. , (. 7), . , RLC -
. (18)