Answer to Question #41572 in Other Physics for irebami

Question #41572
The temperature at which the tungsten filament of a 12V and 36W lamp operates is 1730 oC . If the temperature coefficient of resistance of tungsten is 6×10−3 /K, find the resistance of the lamp at a room temperature of 20oC 10:00Ω 0:45Ω 0:39Ω 4:00Ω
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Expert's answer
2014-04-23T06:33:04-0400
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