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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 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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