Three rods `A,B` and `C` have the same dimensions Their conductivities are `K_(A)` K and `K_(C)` respectively `A` and `B` are placed end to end with their free ends kept at certain temperature difference `C` is placed separately with its ends kept at same temperature difference The two arrangements conduct heat at the same rate `K_(c)` must be equal to .

Three rods of the same dimension have thermal conductivities 3K, 2K and K. They are arranged as shown in fig. Given below, with their ends at 100^(@)C, 50^(@)C and 20^(@)C . The temperature of their junction is :-

Three rods of the same dimensions have thermal conductivities 3 k , 2 k and k . They are arranged as shown, with their ends at 100^(@)C, 50^(@)C and 0^(@)C . The temperature of their junction is :-

Three rods of the same dimensions have thermal conductivities 3 k , 2 k and k . They are arranged as shown, with their ends at 100^(@)C, 50^(@)C and 0^(@)C . The temperature of their junction is :-

Three rods of the same dimensions have thermal conductivities 3 k , 2 k and k . They are arranged as shown, with their ends at 100^(@)C, 50^(@)C and 0^(@)C . The temperature of their junction is :-

Two identical rods are made of different materials whose thermal conductivities are K_(1) and K_(2) . They are placed end to end between two heat reservoirs at temperatures theta_(1) and theta_(2) . The temperature of the junction of the rod is

Two identical rods are made of different materials whose thermal conductivities are K_(1) and K_(2) . They are placed end to end between two heat reservoirs at temperatures theta_(1) and theta_(2) . The temperature of the junction of the rod is

Rate of heat flow through two conducting rods of identical dimensions having thermal conductivities K_(1) and K_(2) and Q_(1) and Q_(2) when their ends are maintained at the same difference of temperature individually. When the two rods are joined in series with their ends maintained at the same temperature difference (as shown in the figure), the rate of heat flow will be

Rate of heat flow through two conducting rods of identiclal dimensions having thermal conductivities K_(1) and K_(2) and Q_(1) and Q_(2) when their ends are maintained at the same difference of temperature individually. When the two rods are joined in series with their ends maintained at the same temperature difference (as shown in the figure), the rate of heat flow will be

Three rods of the same dimension have thermal conductivity 3K , 2K and K. They are arranged as shown in the figure below Then , the temperature of the junction in steady - state is