Two rods of same length and material transfer a given amount of heat in 12 seconds, when they are...

Two rods of same length and material transfer a given amount of heat in 12 seconds, when they are joined end to end. But when they are joined along their lengths, then they will transfer same heat in same conditions in
(1) 24 s
(2) 3 s
(3) 1.5 s
(4) 48 s
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[@sanuraj7012]

But mere book me 48s diya hua hai 😔

[@KavyaGupta27]

Mere mai 3 diya hai😐☠️ Konsi coaching ki module?

[@sanuraj7012]

Goal institute​@@KavyaGupta27

[@DivyaSharma-id7le]

12 sec ke liye parallel wali condition ho tab 48 answer aayega

[@gopaljadhav8757]

😢Rcc ke module me 48 hai

[@exclusiveartworld...8763]

​@@KavyaGupta27mere book me bhi 3 hi hai