Answer: A common flashlight bulb is rated at 0.30 A and
Chapter , Problem 21(choose chapter or problem)
A common flashlight bulb is rated at 0.30 A and 2.9 V (the values of the current and voltage under operating conditions). If the resistance of the tungsten bulb filament at room temperature (20C) is 1.1 D, what is the temperature of the filament when the bulb is on?
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