Five rods of same dimensions are arranged as shown in the figure. They have thermal conductivities `K _(1) , K_(2) , K _(3) , K_( 4)` and `K_( 5)` . When points A and B are maintained at different temperatures, no heat flows through the central rod if

Five rods of same dimensions are arrranged as shown in the figure. They have thermal conductivities K_(1), K_(2), K_(3), K_(4) and K_(5) . When points A and B are maintained at different themperature, no heat flows through the central rod if

Five rods of same dimensions are arranged as shown in the figure. They have thermal conductivities k_(1),k_(2),k_(3) and k_(5) . When points A and C are maintained at different temperature, no heat flows through the central rod if

Three rods of same dimensions are arranged as shown in the figure. They have thermal conductivities K_(1) , K_(2) and K_(3) . The points A and B are maintained at different temperatures. For the heat to flow at the same rate along ACB and AB,

Three rods of same dimensions are arranged as shown in Fig. They have thermal conductivities K_1 , K_2 and K_3 . The points P and Q are maintained at different temeperature for the heat to flow at the same rate along PRQ and PQ. Whi of the following options correct?

Three rods of same dimensions are arranged as shown in Fig. They have thermal conductivities K_1 , K_2 and K_3 . The points P and Q are maintained at different temeperature for the heat to flow at the same rate along PRQ and PQ. Which of the following options correct?

Three rods of same dimensions are arranged as shown in Fig. They have thermal conductivities K_1 , K_2 and K_3 . The points P and Q are maintained at different temeperature for the heat to flow at the same rate along PRQ and PQ. Whi of the following options correct?

Three rods of same dimension are joined in series having thermal conductivity k_1 , k_2 and k_3 . The equivalent thermal conductivity is

Three rods of same dimension are joined in series having thermal conductivity k_1 , k_2 and k_3 . The equivalent thermal conductivity is

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

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