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An electric heater emits 1000 W of thermal radiation. The coil has a surface area of 0.020 m. Assuming that the coil radiates like

An electric heater emits 1000 W of thermal radiation. The coil has a surface area of 0.020 m. Assuming that the coil radiates like a blackbody, find its temperature. o = 6:00 108 W m2 K. -8

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