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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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