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Two rods A and B of same cross sectional...

Two rods `A` and `B` of same cross sectional are `A` and length l connected in series between a source
`(T_(1) =100^(@)C)` and a sink `(T_(2) =0^(@)C)` as shown in The rod is laterally insulated

If `A_(A)` and `T_(B)` are the temperature drops across temperature gradients the rod `A` and `B` then .

A

`(T_(A))/(A_(B)) =(3)/(1)`

B

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

C

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

D

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

Text Solution

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The correct Answer is:
B
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