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A steel bar 10.0 cm long is welded end t...

A steel bar 10.0 cm long is welded end to end to a copper bar 20.0 cm long. Both bars are insulated perfectly on their sides. Each bar has a square cross-section, 20.00 cm on a side. The free end of the steel bar is maintained at `100^(@)C` by placing it in contact with steam, and the free end of the copper bar is maintained at `0^(@)C` by placing it in contact with ice. find the temperature at the junction of the two bars and the total rate of heat flow.

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A steel bar 10.0 cm long is welded end to end to a copper bar 20.0 cm long. Both bars are insulated perfectly on their sides . Each bar has a separate cross-section, 2.00 cm on a side . The free end of the steel bar is maintained at 100^(@)C by placing it in contact with steam and free end of the copper bar is maintained at 0^(@)C by placing it in contact with ice . find the temperature at the junction of the two bars and the total rate of heat flow . thermal conductivity of steel = 50.2 Wm^(-1)K^(-1) .thermal conductivity of copper =385 Wm^(-1)K^(-1) .

A steel bar 10.0 cm long is welded end to end to a copper bae 20.0 cm long. Both bars are insulated perfectly on their sides . Each bar has a separate cross-section, 2.00 cm on a side . The free end of the steel bar is maintained at 100^(@)C by placing it in contact with ice . find the temperature at the junction of the two bars and the total rate of heat flow . thermal conductivity of steel = 50.2 Wm^(-1)K^(-1) .thermal conductivity of copper =385 Wm^(-1)K^(-1) .

A cylindrical steel rod of length 0.10 m and thermal conductivity 50 W.m^(-1) K^(-1) is welded end to end to copper rod of thermal conductivity 400 W.m^(-1). K^(-1) and of the same area of cross section but 0.20 m long. The free end of the steel rod is maintained at 100^(@)C and that of the copper and at 0^(@)C . Assuming that the rods are perfectly insulated from the surrounding, the temperature at the junction of the two rods–

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) .

The coefficient of thermal conductivity of copper is nine times that of steel. One end of copper is maintained at 100°C and the other end of steel is maintained at 0°C. If the corresponding lengths of the copper and iron are 18cm and 6cm respectively, What will be the temperature at the junction of copper and steel ?

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 ].

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)