A 100-w lightbulb has a resistance of about 12 when cold


A 100-W lightbulb has a resistance of about 12 ? when cold (20 ?C) and 140? when on (hot). Estimate the temperature of the filament when hot assuming an average temperature coefficient of resistivity

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Physics: A 100-w lightbulb has a resistance of about 12 when cold
Reference No:- TGS0575954

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