Two materials having coefficients of thermal conductivity ‘3 K’ and ‘K’ and thickness ‘d’ and ‘3 d’, respectively, are joined to form a slab as shown in the figure. The temperatures of the outer surfaces are `theta_(2)` and `theta_(1)` respectively, `(theta_(2) gt theta_(1))` The temperature at the interface is:

Two materials having coefficients of thermal conductivity '3k' and 'k' and thickness 'd' and '3d' respectively, are joined to form a slab as shown in the figures. The temperatures of the outer surfaces are theta_(2) and theta_(1) respectively (theta_(2) gt theta_(2)) . The temperature at the interface is :

Two bars of thermal conductivities K and 3K and lengths 1 cm and 2 cm respectively have equal cross-sectional area, they are joined lengths wise as shown in the figure. If the temperature at the ends of this composite br is 0^(@)C and K^(2)//l respectively (see figure), then the temperature phi of the interface is

Two bars of thermal conductivities K and 3K and lengths 1 cm and 2 cm respectively have equal cross-sectional area, they are joined lengths wise as shown in the figure. If the temperature at the ends of this composite br is 0^(@)C and 100^(@)C respectively (see figure), then the temperature phi of the interface is

Two plates each of area A thickness L_(1) and L_(2) thermal conductivities K_(1) and K_(2) respectively are joined to from a single plate of thickness (L_(1)+L_(2)) If the temperatures of the free surfaces are theta_(1) and theta_(2) Calculate (a) Rate of flow of heat (b) Temperature of interface .

The temperature of the two outer surfaces of a composite slab, consisting of two materials having coefficients of thermal conductivity K and 2K and thickness x and 4x respectively. Temperatures on the opposite faces of composite slab are T_(1) and T_(2) where T_(2)gtT_(1) , as shown in fig. what is the rate of flow of heat through the slab in a steady state?

The temperature of the two outer surfaces of a composite slab, consisting of two materials having coefficients of thermal conductivity K and 2K and thickness x and 4x respectively. Temperatures on the opposite faces of composite slab are T_(1) and T_(2) where T_(2)gtT_(1) , as shown in fig. what is the rate of flow of heat through the slab in a steady state?

The temperature of the two outer surfaces of a composite slab, consisting of two materials having coefficients of thermal conductivity K and 2K and thickness x and 4x respectively. Temperatures on the opposite faces of composite slab are T_(1) and T_(2) where T_(2)gtT_(1) , as shown in fig. what is the rate of flow of heat through the slab in a steady state?

If two conducting slabs of thickness d_1 and d_2 , and thermal conductivity K_1 and K_2 are placed together face to face as shown in figure in the steady state temperature of outer surfaces are theta_1 and theta_2 . The temperature of common surface is-

Two conductors of same cross-section and conductivities K, 3K and length 3 d and d respectively are connected end to end as shown in figure. Temperature of end of first conductor is theta_(1) and that of second conductor is theta_(2) .the temperature of junction is steady state is (theta_(2)gttheta_(1))