3B SCIENTIFIC PHYSICS 1008523 Manual de instruções - Página 4
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/ n m
1000
500
0
0
Fig. 1: Electrical resistivity ρ of tungsten as a function of absolute temperature T (see Tab. 3). Curve based on
measurements made by Zerda, T.W., Texas Christian University, 2001
R R
/
20
10
0
Fig. 2: Resistances ratios R(T)/R
Tab. 3)
1000
ref
0
1000
(black) and R(T)/R
300 K
2000
3000
2000
(red) calculated from the values shown in Fig. 1 (see
290
4
T / K
3000
T / K