engineering recuitment GATE ME 2023-24 Test Series Heat Transfer Conduction Critical Thickness of Insulation
An electronic device in the form of a wire is found to dissipate maximum heat when its outer most diameter = 32 mm. Keeping all the parameter same, it is proposed to use the same device in spherical form. The ideal diameter would be
1
32 mm
2
16 mm
3
64 mm
4
8 mm