The lleft end of a copper rod `(length=20cm. Area of cross section=0.02cm^(2)` is maintained at `20^(@)C` and the right end is maintained at `80^(@)C` . Neglecting any lkkoss of heat through radiation, find (a) the temperature at a point 11cm from the left end and (b) the heat current through the rod. thermal conductivity of copper `=385Wm=^(-1)`^(@)C^(-1)` .

The left end of a copper rod (length= 20cm , Area of cross section= 0.2cm^(2) ) is maintained at 20^(@)C and the right end is maintained at 80^(@)C . Neglecting any loss of heat through radiation, find (a) the temperature at a point 11cm from the left end and (b) the heat current through the rod. thermal conductivity of copper =385Wm^(-1)C^(-1) .

The left end of a copper rod (length= 20cm , Area of cross section= 0.2cm^(2) ) is maintained at 20^(@)C and the right end is maintained at 80^(@)C . Neglecting any loss of heat through radiation, find (a) the temperature at a point 11cm from the left end and (b) the heat current through the rod. thermal conductivity of copper =385Wm^(-1)C^(-1) .

One face of a copper cube of edge 10 cm is maintained at 100^(@)C and the opposite face is maintained at 0^(@)C . All other surfaces are covered with an insulating material. Find the amount of heat flowing per second through the cube. Thermal conductivety of copper is 385Wm^(-1) ^(@)C^(-1) .

One face of a copper cube of edge 10 cm is maintained at 100^(@)C and the opposite face is maintained at 0^(@)C . All other surfaces are covered with an insulating material. Find the amount of heat flowing per second through the cube. Thermal conductivity of copper is 385Wm^(-1) C^(-1) .

One face of a copper cube of edge 10 cm is maintained at 100^(@)C and the opposite face is maintained at 0^(@)C . All other surfaces are covered with an insulating material. Find the amount of heat flowing per second through the cube. Thermal conductivity of copper is 385Wm^(-1) C^(-1) .

One end of a metal rod of length 1.0 m and area of cross section 100 cm^(2) is maintained at . 100^(@)C . If the other end of the rod is maintained at 0^(@)C , the quantity of heat transmitted through the rod per minute is (Coefficient of thermal conductivity of material of rod = 100 W//m-K )

Figure shows an aluminium rod joined to a copper rod. Each of the rods has a length of 20cm and area of ccross section 0.20cm^(2) . The junction is maintained at a constant temperature 40^(@)C and the two ends are maintained at 80^(@)C . Calculate the amount of heat taken out from the cold junction in one minute after the steady state is reached. The conductivities are K_(Al)=200Wm^(-1) ^(@)C^(-1) . and K_(Cu)=400Wm^(-1) ^(@)C^(-1) .

Figure shows an aluminium rod joined to a copper rod. Each of the rods has a length of 20cm and area of cross section 0.20cm^(2) . The junction is maintained at a constant temperature 40^(@)C and the two ends are maintained at 80^(@)C . Calculate the amount of heat taken out from the cold junction in one minute after the steady state is reached. The conductivities are K_(Al)=200Wm^(-1)C^(-1) . and K_(Cu)=400Wm^(-1)C^(-1) .

Figure shows an aluminium rod joined to a copper rod. Each of the rods has a length of 20cm and area of cross section 0.20cm^(2) . The junction is maintained at a constant temperature 40^(@)C and the two ends are maintained at 80^(@)C . Calculate the amount of heat taken out from the cold junction in one minute after the steady state is reached. The conductivities are K_(Al)=200Wm^(-1)C^(-1) . and K_(Cu)=400Wm^(-1)C^(-1) .

One end of a metal rod of length 1.0 m and area of cross section 100cm^2 is maintained at 100° C. If the other end of the rod is maintained at 0°C, the quantity of heat transmitted through the rod per minute is (Coefficient of thermal conductivity of material of rod =100 W/m-K)