.2.1 t = (23,00 0,05) Vi ( i = 1, , n; n = 10):
100,68; 100,83; 100,79; 100,64; 100,63; 100,94; 100,60; 100,68; 100,76; 100,65.
.2.2 , ,
, (.2)
.2.3 R 0, , I = 10 t = 23,00 :
R 0 = 0,010088.
.2.4 I, ,
= 9,984. (.3)
.3
.3.1 , S(), ,
, (.4)
0,034 %*.
_____________
* , (), , .
.3.2 *:
_____________
* .
q V = 3×10-4× V +0,02. (.5)
V =
q V = 5,0×10-2MB
= 0,050 %.
.3.3 , ,
= 0,070 %.
R = R 0
q R = 7×10-4 × R 0 = 7,1×10-6 . (.6)
.3.4 , , ,
R = R 0×[1 + a×(t t 0)], (.7)
R 0 - t = t 0 (t 0 = 23,00 C; R 0 = 0,010088 );
a - (a = 6×10-6K-1).
, D t
q R,t = a×D t × R, (.8)
, D t = 0,05 :
q R,t = 3,0×10-9 ,
R,t = 3,0×10-5 %.
( ) .