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SOLVED: A tungsten wire has radius of 0.075 mm and is heated from 20.0 C to 1320 € The temperature of coefficient off resistivity is SxlO (c ) and the resistivity of tungsten is 5.6x10 S2m both at 20 € When 120 applied across the ends of the hotwire, curent 1.5 A is produced. How long S the wire (neglect any effects of thermals expansion)20 09 10 09-509Find the currents I , Iz, and Is in Fig P410.0 v10.0Fig P420.0 V
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