Answer to Question #8520 in Molecular Physics | Thermodynamics for Frank Omorogbe

Question

The temperature at which the tungsten filament of a 12V and 36W lamp operates is 1730 Degrees Celsius. If the temperature coefficient of resistance of tungsten is 610^−3/K, find the resistance of the lamp at a room temperature of 20 Degrees Celsius.

(A) 10.00 ohms

(B) 0.45 ohms

(C) 0.39 ohms

(D) 4.00 ohms