What is the net amount of energy per unit time being received by a bo – McqOptions

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1.	What is the net amount of energy per unit time being received by a body having a temperature of 40 °C in a surrounding of 60°C? (The surface area of body = 2m2, σ = 5.67*10-8W/ m2K4 & emissivity of 0.4).
A.	122.4W
B.	0.47W
C.	33W
D.	86W
Answer» B. 0.47W

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