Estimate the temperature of the filament

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Reference no: EM13563901

A 100-W lightbulb has a resistance of about 12Ω when cold (12 C) and 140Ω when on (hot). Estimate the temperature of the filament when hot assuming an average temperature when hot assuming an average temperature coefficient of resistivity a =0.0060 (C)

Reference no: EM13563901

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