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Answer to Question #58259 in Mechanical Engineering for Emysko

Question #58259
5 The temperature at which the tungsten filament of a 12V and 36W lamp operates is
1730 o C 1730oC
. If the temperature coefficient of resistance of tungsten is
6×10 −3 /K 6×10−3/K
, find the resistance of the lamp at a room temperature of
20 o C 20oC

10.00Ω 10.00Ω

0.45Ω 0.45Ω

0.39Ω 0.39Ω

4.00Ω 4.00Ω
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