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Answer to Question #58710 in Electric Circuits for austine

Question #58710
The temperature at which the tungsten filament of a 12V and 36W lamp operates is
1730oC1730oC
. If the temperature coefficient of resistance of tungsten is
6×10−3/K6×10−3/K
, find the resistance of the lamp at a room temperature of
20oC20oC

10.00Ω10.00Ω

0.45Ω0.45Ω

0.39Ω0.39Ω

4.00Ω4.00Ω
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