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What is the power radiated by the bulb
Course:- Physics
Reference No.:- EM13991342





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An incandescent lightbulb has a tungsten filament that is heated to a temperature of 4.00 x103 K when an electric current passes through it. If the surface area of the filament is approximately 1.00 x 10-4 m2 and it has an emissivity of 0.42, what is the power radiated by the bulb?




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