### Formula

k

Thermal conductivity

Q

the quantity of transmitted heat

t

time interval of heat transfer

A

total cross sectional area of conducting surface

T

temperature difference

x

the thickness of conducting surface separating the two temperatures

k

Thermal conductivity

Q

the quantity of transmitted heat

t

time interval of heat transfer

A

total cross sectional area of conducting surface

T

temperature difference

x

the thickness of conducting surface separating the two temperatures

Thermal conductivity, k, is the property of a material's ability to conduct heat.

Q

t

A

T

x

k

Precision

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