1. Resistance lamp filament temperature t1 = 20 ° C is

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1. Resistance lamp filament temperature t1 = 20 ° C is R1 = 20 ohms, and upon ignition to t2 = 2900 ° C. R2 = 260 Ohms. Find the temperature coefficient soprotivleniya.1. Lamp filament resistance at a temperature t1 = 20 ° C is R1 = 20 ohms, and upon ignition to t2 = 2900 ° C. R2 = 260 Ohms. Find the temperature coefficient of resistance.

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Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)

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