Two rods A and B of same cross-sectional area A and length l are connected in series between a source `(T_(1)=100^(@)C)` and a sink `(T_(2)-0^(@)C)` as shown in figure. The rod is laterally insulated. The ratio of the thermal resistance of the rods isA. `(R_(A))/(R_(B))=(1)/(3)`B. `(R_(A))/(R_(B))=3`C. `(R_(A))/(R_(B))=(3)/(4)`D. `(R_(A))/(R_(B))=(4)/(3)`

Two rods A and B of same cross-sectional area A and length l are conne

1.	Two rods A and B of same cross-sectional area A and length l are connected in series between a source `(T_(1)=100^(@)C)` and a sink `(T_(2)-0^(@)C)` as shown in figure. The rod is laterally insulated. The ratio of the thermal resistance of the rods isA. `(R_(A))/(R_(B))=(1)/(3)`B. `(R_(A))/(R_(B))=3`C. `(R_(A))/(R_(B))=(3)/(4)`D. `(R_(A))/(R_(B))=(4)/(3)`
Answer» Correct Answer - A

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