Physics, 11.07.2019 20:20 accounting73
You turn up the dimmer switch so that the temperature of the filament reaches 2600 degrees c. the light bulb filament has an area of 6.45 x 10-4 m2 (0.1 square inches) and an emissivity of 0.8. how much electrical power must it be using?
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You turn up the dimmer switch so that the temperature of the filament reaches 2600 degrees c. the li...
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