25. The diameter of 0 -gauge copper wire is 8.252 mm. Find the resistance of a 1.00−km length of such wire used for powe
Posted: Sun Nov 13, 2022 10:17 am
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25. The diameter of 0 -gauge copper wire is 8.252 mm. Find the resistance of a 1.00−km length of such wire used for power transmission. 26. If the 0.010-mm diameter tungsten filament in a light bulb is to have a resistance of 0.200Ω at 20.0∘C, how long should it be?
36. A copper wire has a resistance of 0.500Ω at 20.0∘C, and an iron wire has a resistance of 0.525Ω at the same temperature. At what temperature are their resistances equal?