A spherical ball with a diameter of 10 cm has an outer

Last updated: 9/2/2023

A spherical ball with a diameter of 10 cm has an outer surface that is maintained at a temperature of 200 C It is suspended in the middle of a room that has an average temperature of 20 C If the surface emissivity is 0 8 determine the rate of radiative heat transfer from the ball to the room in W Choose the nearest value A 2 3 W B 4 5 W C 19 4 W D 60 8 W