Fourier's law of heat conduction defines the rate of heat transfer thr

1.	Fourier's law of heat conduction defines the rate of heat transfer through a body as
A.	only dependent upon the material of the body
B.	proportional to the area normal to the direction of the heat flow and the temperature gradient along the direction of the heat flow, and is dependent upon the material of the body
C.	proportional only to the area normal to the direction of the heat flow
D.	proportional only to the temperature gradient along the direction of the heat flow
Answer» C. proportional only to the area normal to the direction of the heat flow

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Fourier's law of heat conduction defines the rate of heat transfer through a body as

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