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Physics, 18.07.2019 09:40 greend0719
Consider a 150-w incandescent lamp. the filament of the lamp is 5-cm long and has a diameter of 0.5 mm. the diameter of the glass bulb of the lamp is 8 cm. determine the heat flux, in w/m2, (a) on the surface of the filament and (b) on the surface of the glass bulb, and (c) calculate how much it will cost per year to keep that lamp on for eight hours a day every day if the unit cost of electricity is $0.08/kwh.
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Consider a 150-w incandescent lamp. the filament of the lamp is 5-cm long and has a diameter of 0.5...
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