Heat TransferHard
Question
Calculate the energy radiated per minute from the filament of an incandascent lamp at 2000K if the surface area is 5 × 10-5 m2 and its relative emittance is 0.85, s = 5.7 × 10-8 MKS units:
Options
A.1230 J
B.2215 J
C.2115 J
D.2325 J
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