One end A of a metallic rod of length 10 cm is inserted in a furnace whose temperature is `827^(@)C`. The curved surface of the rod is insulated. The room temperature is `27^(@)C`. When the steady state is attained, the temperature of the other end B ofthe rod is `702^(@)C`. Find the thermal conductivity ofthe metal. Stefan's constant `= 5.67 xx 10^(-8)W m^(-2) K^(-4)`.

One end of a rod of length 20cm is inserted in a furnace at 800K The sides of the rod are covered with an insulating material and the other end emits radiation like a black body. The temperature of this end is 750K in the steady state The temperature of the surrounding air is 300K Assuming radiation to be the only important mode of energy transfer between the surrounding and the open end of the rod, find the thermal conductivity of the rod Stefan's constant sigma = 6.0 xx 10^(-8) W m^(-2) K^(-4) .

One end of a rod of length 20cm is inserted in a furnace at 800K The sides of the rod are coverd with an insulating meterial and the other end emits radiation like a black boy The temperature of this end is 750K in the steady state The temperature of the surrounding air is 300K Assuming radiation to be the only imporatant mode of energy transfer between the surrounding and the open end of the rod, find the thermal conductivity of the rod Stefan's constant sigma = 6.0 xx 10^(8) W m^(-2) K^(-4) .

One end of a rod length 20cm is inserted in a furnace at 800K. The sides of the rod are coved with an insulating material and the other end emits radiation like a blackbody. The temperature of this end is 750K in the steady state. The temperature of the surrounding air is 300K. Assuming radiation to be the only important mode of energy tranfer between the surrounding and the open end of the rod, find the thermal conductivity of the rod. Stefan constant sigmas=6.0xx10^(-1)Wm^(-2)K^(-4) .

One end of a rod length 20cm is inserted in a furnace at 800K. The sides of the rod are covered with an insulating material and the other end emits radiation like a blackbody. The temperature of this end is 750K in the steady state. The temperature of the surrounding air is 300K. Assuming radiation to be the only important mode of energy transfer between the surrounding and the open end of the rod, find the thermal conductivity of the rod. Stefan constant sigma=6.0xx10^(-1)Wm^(-2)K^(-4) .

One end of a rod length 20cm is inserted in a furnace at 800K . The sides of the rod are covered with an insulating material and the other end emits radiation like a blackbody. The temperature of this end is 750K in the steady state. The temperature of the surrounding air is 300K . Assuming radiation to be the only important mode of energy transfer between the surrounding and the open end of the rod, find the thermal conductivity of the rod. Stefan constant sigma=6.0xx10^(-1)Wm^(-2)K^(-4) .

One end of a rod length 20cm is inserted in a furnace at 800K. The sides of the rod are covered with an insulating material and the other end emits radiation like a blackbody. The temperature of this end is 750K in the steady state. The temperature of the surrounding air is 300K. Assuming radiation to be the only important mode of energy transfer between the surrounding and the open end of the rod, find the thermal conductivity of the rod. Stefan constant sigma=6.0xx10^(-1)Wm^(-2)K^(-4) .

The ends of a metal rod of length 40 cm are maintained at temperatures 100^(@)Cand20^(@)C respectively. At steady state condition, the temperature at a point at a distance 30 cm from the hot end of the rod is

The temperature of hot and cold end of a 20cm long rod in thermal steady state are at 100° C and 20°C respectively. Temperature at the centre of the rod is