Estimate the operating temperature of the filament

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Reference no: EM13700369

Problem: The tungsten filament in an incandescent light bulb has a resistance of 1.5 ohm when the bulb is not turned on at 20Â°C. When the bulb is connected to a voltage of 3.8 V, a current of 0.23 Amp flows through it.

Part A: What is the operating temperature of the filament?

Please show how you obtained the operating temperature of the filament.

Reference no: EM13700369

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