Question

The variation of thermal conductivity of a metal with temperature is often correlated using an expression of the form K = K₀ + at. where, K is the thermal conductivity and T is the temperature (in °K). The units of 'a' in SI system will be

a.

W/m.k

b.

W/m

c.

W/m.k²

d.

none, 'a' is just a number

Answer: (c).W/m.k²

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Q. The variation of thermal conductivity of a metal with temperature is often correlated using an expression of the form K = K₀ + at. where, K is the thermal conductivity and T is the...

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