The relation between thermal conductivity K (W/m/°C), heat flow densi – McqOptions

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1.	The relation between thermal conductivity K (W/m/°C), heat flow density Q (watt/m²) and dT/dx (°C per metre) is
A.	Q = K(dT/dx)
B.	Q = - K(dT/dx)
C.	K = Q(dT/dx)
D.	dT/dx = - QK
Answer» C. K = Q(dT/dx)

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