长度为100m的铜导线的电阻值.doc

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1、长度为100m的铜导线的电阻值温度0℃20℃30℃40℃50℃75℃(mm2)0.01650.01780.01850.01920.02000.02161.51.10001.18671.23331.28001.33331.44002.50.66000.71200.74000.76800.80000.86404.00.41250.44500.46250.48000.50000.54006.00.27500.29670.30830.32000.33330.360010.00.16500.17800.18500.19200.20000.216016.00.10310.

2、11130.11560.12000.12500.135025.00.06600.07120.07400.07680.08000.086435.00.04710.05090.05290.05490.05710.061750.00.03300.03560.03700.03840.04000.043270.00.02360.02540.02640.02740.02860.0309