.
, , .
( ):
( ):
R, , , .................................. , , , D .
:
(1)
R1 R2 , R , .
:
R1 = 68 , εR1 = 10 %.
R2 = 150 , εR2 = 10 %.
R , .
1
RM, | RX, | RX, | ΔRX, | ε, % | |
RX1 | ------------- | ||||
RX2 | ------------- | ||||
R.,. | |||||
R., . |
() ._______________________________________( )
_______________________________________
1. (1):
RX1 =
RX2 =
R., . =
R., . =
2. :
εX1 =
εX2 =
ε. =
ε. =
3. :
1.
4. .
|
|
R., . = RX1 + RX2 =
6. .
1. .
2. ............................................................. :
RX1 = ( ) 젠 ε = %
RX2 = ( ) 젠 ε = %
3. . :
R.,.. = ( ) 젠 ε = %
R.,.. = ( ) 젠 ε = %
充..
5. .
R.,. = 젠
R.,. =
6. ( , ).......................................
5-21