a hollow sphere of inside radius 2.5 and outside radius 7.5cm has corresponding surface temperature of 300 degrees Celsius and 25 degree Celsius calculate the heat loss by conduction if thermal conductivity of sphere material is 17 W/mk.how this heat loss would be effected if equation for a plane wall of area equal to mean of outside and inside surface is assumed to apply to sphere ? consider the wall thickness equal to spherical thickness
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It has spaces of the sizes if the surfaces will be very thin. That is why it doesnt very much affect the total hotness of the body.
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