Radio de aguja = 0,08 cm.

MATERIAL Cobre VidrioT0(ºC) 24 24Tf(ºC) 100 100

θ ( rad ) 0.906 0.07L0 (cm) 74.6 68.4

∆L = R*θ ( 10-2 cm) 0.07248 0.0056

MATERIAL

Cobre 1.29 1.7Vidrio 0.08 0.4

Aluminio 1.89 2.4

αexperimental(10-5 °C-1)

αteorico(10-5 °C-1)

20 30 40 50 60 70 80 90 100 11074.3

74.4

74.5

74.6

74.7

74.8

74.9

75

75.1

Chart Title

Aluminio 100 2424 74.6725 74.6100 100 241.344 68.41 68.474.9 100 24

0.10752 75.01 74.9

% error

24.1280

21.25

20 30 40 50 60 70 80 90 100 11074.56

74.58

74.6

74.62

74.64

74.66

74.68

Chart Title

20 30 40 50 60 70 80 90 100 11068.394

68.396

68.398

68.4

68.402

68.404

68.406

68.408

68.41

68.412

Chart Title

20 30 40 50 60 70 80 90 100 11074.3

74.4

74.5

74.6

74.7

74.8

74.9

75

75.1

Chart Title

20 30 40 50 60 70 80 90 100 11074.56

74.58

74.6

74.62

74.64

74.66

74.68

Chart Title

20 30 40 50 60 70 80 90 100 11068.394

68.396

68.398

68.4

68.402

68.404

68.406

68.408

68.41

68.412

Chart Title