Circular fins of uniform cross section, with diameter of 10 mm and length of 50 mm, are attached to a wall with surface temperature of 350°C. The fins are made of material with thermal conductivity of 240 W/mK, and they are exposed to an ambient air condition of 25°C, and the convection heat transfer coefficient is 250 W/m?K. Determine the heat transfer rate To h, T Ab Ac

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