An electric heater emits 100W of thermal radiation. The coil has a surface area of `0.02m^(2)` .
Channel: Doubtnut
Date: 2020-07-12

An electric heater emits 100W of thermal radiation. The coil has a surface area of `0.02m^(2)` . Assuming that the coil radiates like a blackbody, Find its temperature. Sigma=6.00xx10^(-s)Wm^(-2)K(-4)` .