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7.- una pared plana cuyo espesor es de 10 cm, genera calor a razn de 30 000 w/m cuando se hace pasar una corriente

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7.- una pared plana cuyo espesor es de 10 cm, genera calor a razn de 30 000 w/m cuando se hace pasar una corriente elctrica a travs de ella. Una de las caras de la pared est aislada y la otra est expuesta al aire con temperatura de 25C. Si el coeficiente convectivo de transferencia de calor entre el aire y la superficie de la pared expuesta es de 50 w/mk. Determine la temperatura mxima de la pared. La conductividad trmica del material es de 3 w/mk.

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