what is meant by thermal conductivity and its coefficient . What are its SI units and cgs units.
Answers
Explanation:
Thermal conductivity coefficient is the quantity of heat that is transported through a unit cube of two surfaces of perpendicular distance to each other in a given unit of time when the difference in temperature of the two surfaces is 1°C and its unit is W/m∗K.
Answer:
Thermal conductivity is the ability to conduct heat.
The quantity of heat transferred through a unit length of a material in a direction normal to unit surface area due to a unit temperature difference under steady state conditions is known as Thermal conductivity.
The rate of flow of heat is written as
Q/t = KAT/L
where, K is known as the coefficient of thermal conductivity.
The SI unit of thermal conductivity is
J s^-1 m^-1 K^-1 or W m^-1 K^-1.
The cgs unit of thermal conductivity is
W/cm-°C(Watt per cm per celsius degree)
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