According to Fourier’s law, amount of heat flow (Q) through the body in unit time is equal to

\(kA\frac{{d{T^2}}}{{d{x^2}}}\)

According to Fourier’s law, amount of heat flow (Q) through the body

1.	According to Fourier’s law, amount of heat flow (Q) through the body in unit time is equal to
A.	\(kA\frac{{dT}}{{dx}}\)
B.	\(kA\frac{{d{T^2}}}{{d{x^2}}}\)
C.	\(k\frac{{dx}}{{dT}}\)
D.	\(kA\frac{{dx}}{{dT}}\)
Answer» B. \(kA\frac{{d{T^2}}}{{d{x^2}}}\)

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According to Fourier’s law, amount of heat flow (Q) through the body in unit time is equal to

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