10.06.2013 00:00 Muzaffar Qosimov Ma'lumotnomalar - Fizika
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Juda yomon!A'lo! 

Ba’zi metallar, qotishmalar va materiallarning solishtirma elektr o'tkazuvchanliklar – ?

(t=20 °C harorat uchun)

 

Modda

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Modda

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Cho’yan

1.25 – 1.92

Marganets

0.38 – 0.67

Duralyumin

30.33

Natriy

20.41

Fexral

0.77 – 0.82

Neyzilber

2.22 – 3.33

Grafit oddiy

0.077

Nikelin

2.22 – 2.64

Grafit reaktor uchun

0.05 – 0.013

Nixrom

0.90 – 1.00

Invar

1.23

Osmiy

10.59

Iridiy

18.86

Paltinit

2.22

Kaliy

14.08

Platinoiridiy qotishmasi (t=0 °C)

4.00

Konstantan

1.92 – 2.09

Po’lat (0.10 – 0.15%)

7.14 – 10.00

Latun

14.08

Vud qotishmasi

0.52

Manganin

2.09 – 2.36

Xromal

1.25 – 1.92

 

 

YangilĐ°ndi: 20.06.2013 15:21