An experimental tungsten light bulb filament has a length of 5 cm and a diameter of 0.074 cm. the filament is basically just a wire that heats due to resistance to electrical current. the ends of the wire are not exposed. the total filament emissivity is 0.300 and its temperature is 3068 k. calculate the power emitted by the lamp in watts. note: required precision is 1%.
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An experimental tungsten light bulb filament has a length of 5 cm and a diameter of 0.074 cm. the fi...
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