The thermal conductivity (𝑘) of insulators:
A. Increases with increase in temperature
B. Always increases with increase in the density of the material
C. Decreases with increase in temperature
D. Decreases due to convection phenomenon in insulators
Answer:A
The thermal conductivity (𝑘) of insulators:
A. Increases with increase in temperature B. Always increases with increase in the density of the material C. Decreases with increase in temperature D. Decreases due to convection phenomenon in insulators