If the sphere is enclosed in a room whose walls are kept
How much power is radiated by a tungsten sphere (emissivitye=0.35) of radius 21 cm at a temperature of 22 C?
in W?
If the sphere is enclosed in a room whose walls are kept at-5C, what is the net flow rate of energy out of the sphere?
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how much power is radiated by a tungsten sphere emissivitye035 of radius 21 cm at a temperature of 22 cin wif the
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