Physics, 02.07.2020 02:01 TACOSDAILY

Light bulb 1 operates with a filament temperature of 2800 K, whereas light bulb 2 has a filament temperature of 1700 K. Both filaments have the same emissivity, and both bulbs radiate the same power. Find the ratio A1/A2 of the filament areas of the bulbs. A1/A2

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Light bulb 1 operates with a filament temperature of 2800 K, whereas light bulb 2 has a filament tem...