MHT CET Physics question
Two rods of same material, same length and same radius transfer a given amount of heat in 't' second when they are joined end to end. When the rods are joined one above the other then they will transfer same heat in same conditions in time [MHT-CET 2011]
Answer: (D)
Solution
End to end (series) resistance is and side by side (parallel) resistance is , so the heat current is 4
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