A bar of copper of length 75cm and a abr of steel of length 125cm are joined together end to end. Both are of circular cross section with diameter 2cm. The free ends of the copper and the steel bors are maintained at `100^(@)C` and 0^(@)C` respectively. The curved surface of the bors. are thermally insulated. What is the temperature of the coppe-steel junction? What is the amount of heat transmitted per unit time across the junction? Thermal conductivity of copper is `386Js^(-1)m^(-1)`^(@)C^(-1)` and that of steel is 46Js^(-1)m^(-1)`(@)C^(-1)

A bar of copper of length 75cm and a bar of steel of length 125cm are joined together end to end. Both are of circular cross section with diameter 2cm . The free ends of the copper and the steel bars are maintained at 100^(@)C and 0^(@)C respectively. The curved surface of the bars are thermally insulated. What is the temperature of the copper-steel junction? What is the amount of heat transmitted per unit time across the junction? Thermal conductivity of copper is 386Js^(-1)m^(-1) C^(-1) and that of steel is 46Js^(-1)m^(-1) C^(-1)

A bar of copper of length 75 cm and a bar of steel of length 125 cm are joined together end to end . Both are of circular cross - section with diameter 2 cm . The free ends of the copper and steel bars are maintained at 100^(@)C and 0^(@)C respectively . The surface of the bars are thermally insulted . What is the temperature of the copper - steel junction ? What is the heat transmitted per unit time across the junction ? Thermal conductivty of copper 9.2 xx 10^(-2) k cal m^(-1) ""^(@)C^(-1)s^(-1) and that of steel is 1.1 xx 10^(-2)k cal m^(-1)s^(-1) (@)C^(-1) .

A copper rod of length 75 cm and an iron rod of length 125cm are joined together end to end . Both are of circular cross section with diameter 2 cm . The free ends of the copper and iron are maintained at 100^@C and 0^@C respectively . The surface of the bars are insulated thermally . The temperature of the copper -iron junction is [Thermal conductivity of the copper is 386.4 W//m-K and that of iron is 48.46W//m-K ].

A copper rod of length 75 cm and an iron rod of length 125cm are joined together end to end . Both are of circular cross section with diameter 2 cm . The free ends of the copper and iron are maintained at 100^@C and 0^@C respectively . The surface of the bars are insulated thermally . The temperature of the copper -iron junction is [Thermal conductivity of the copper is 386.4 W//m-K and that of iron is 48.46W//m-K ].

Cylinder copper rod of length 1m and a cylinder steel rod of length 1.5m are joined together end to end. The cross sectional area of eac rod is 3.14cm . The free ends of steel rod and copper rods are maintained at 0^(@)C and 100^(@)C respectively. The surfaces of rods are thermally insulated. Find the temperature of copper steel junction. (Given thermal conductivity of steel =46J//m-s.^(@)C and the thermal conductivity of copper =386J//m-s.^(@)C )

+2.0 -0.0 An engineer joined a rod in which 50 cm is copper and 100 cm is steel from end to end together. Both have the circular cross-section with diameter 3 cm. If the free end of copper and steel are maintained at the temperature 100°C and 0°C respectively. Determine the temperature of the copper-steel junction. (Assume the thermal conductivity of copper and steel are 386 J/m - 5-°C. 46 J/m - 5-°C respectively) 50 cm 100 cm 100°C Copper Steel 0°C

Two rods of similar area of cross section and length are joined as shown in the figure. The ratio of their thermal conductivity is 2:3. The free ends are maintained at 100^(@)C and 0^(@)C respectivley. THE temperature at junction in steady state is

Two rods of similar area of cross section and length are joined as shown in the figure. The ratio of their thermal conductivity is 2:3. The free ends are maintained at 100^(@)C and 0^(@)C respectivley. THE temperature at junction in steady state is