A) Density of material
B) Specific heat
C) Thermal conductivity
D) All the above factors
Correct Answer: D
Solution :
In variable state \[\frac{Q}{t}\propto K\] and \[\frac{Q}{t}\propto \frac{1}{\rho \,c}\]Þ \[\frac{Q}{t}\propto \frac{K}{\rho \,c}\] (K = thermal conductivity, r = density, c = specific heat)
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