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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.

If `G_(A)` and `G_(B)` are the temperature gradients across the rod A and B, then

A

`(G_(A))/(G_(B))=(3)/(4)`

B

`(G_(A))/(G_(B))=(1)/(3)`

C

`(G_(A))/(G_(B))=(3)/(4)`

D

`(G_(A))/(G_(B))=(4)/(3)`

Text Solution

Verified by Experts

The correct Answer is:
B
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