A spherical coordinate (r = radius, T = temperature and t = time), the heat conduction equation in steady state is

A) $$\frac{\partial }{{\partial r}}\left( {{r^2}.\frac{{\partial T}}{{\partial r}} = 0} \right)$$ B) $$\frac{\partial }{{\partial T}}\left( {{r^2}.\frac{{\partial T}}{{\partial r}} = 0} \right)$$ C) $$\frac{\partial }{{\partial r}}\left( {{T^2}.\frac{{\partial T}}{{\partial r}} = 0} \right)$$ D) $$\frac{\partial }{{\partial t}}\left( {{r^2}.\frac{{\partial T}}{{\partial r}} = 0} \right)$$

Answer & Solution

Correct Answer: Option A

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A spherical coordinate (r = radius T = temperature and t...

A spherical coordinate (r = radius, T = temperature and t = time), the heat conduction equation in steady state is

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