Calculate what is the temperature of the filament

Reference no: EM13533110

A common flashlight bulb is rated at 0.30 A and 2.8 V (the values of the current and voltage under operating conditions). If the resistance of the bulb filament at room temperature (20°C) is 1.2 , what is the temperature of the filament when the bulb is on? The filament is made of tungsten.

Reference no: EM13533110

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