An electric heater of surface area 200cm^2 emits radiant energy of 60 kJ at time interval of 1 min. Determine its emissive power. If its emissivity be 0.45

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An electric heater of surface area 200cm^2 emits radiant energy of 60 kJ at time interval of 1 min. Determine its emissive power. If its emissivity be 0.45, what would be the radiant energy emitted by a black body in one hour, identical to the electrical heater in all respects?
01
Sep
An electric heater of surface area 200cm^2 emits radiant energy of 60 kJ at time interval of 1 min. Determine its emissive power. If its emissivity be 0.45, what would be the radiant energy emitted by a black body in one hour, identical to the electrical heater in all respects? An electric heater of surface [...]
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