Two rods of equal length and diameter but of thermal conductivities 2 and 3 units respectively are joined in parallel . The thermal conductivity of the combination is:

Two rods of equal length and diameter have thermal conductivite 3 and 4 units respectively. If they are joined in series, the thermal conductivity of the combination in the given units would be

The unit of thermal conductivity is :

The unit of thermal conductivity is :

The thermal conductivity of a rod depends on

The thermal conductivity of a rod depends on

The thermal conductivity of a rod depends on

Consider a compound slab consisting of two different material having equal thickness and thermal conductivities K and 2K respectively. The equivalent thermal conductivity of the slab is

Consider a compound slab consisting of two different material having equal thickness and thermal conductivities K and 2K respectively. The equivalent thermal conductivity of the slab is

Coefficient of thermal conductivity has the dimensions:

SI unit of coefficient of thermal conductivity