Question: Problem 0 3 : A circular grill of diameter 3 0 cm has an emissivity of 0 . 7 . If the surface temperature is

Problem 03: A circular grill of diameter 30 cm has an emissivity of 0.7. If the surface temperature is maintained at \(160^{\circ}\mathrm{C}\), determine the required electrical power when the room air and surroundings are at \(23^{\circ}\mathrm{C}\).
Problem 0 3 : A circular grill of diameter 3 0 cm

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