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Considere una l mpara incandescente de 1 5 0 - W . El filamento de la l mpara - terie: 5 cm de largo y

Considere una lmpara incandescente de 150-W. El filamento de la lmpara-terie:5cm de largo y el dimetro es de 0,5 mm. El dimetro del bulbo de vidrio de la-lmpara es de 8 cm. Determine el flujo de calor, en W/m2, a) sobre la superficie delfilamento y b) sobre la superficie del buibo de vidrio y c) calcule cunto costar por ario mantener esa lmpara encendida-durante-8-horas al da, todos los dias, si -el costo unitario de la electricidades-de-0.08-dlar/kWh-(2-puntos).a

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