MHT CET 2024 Physics question
Two rods of same length & material transfer a given amount of heat in 12 s when they are joined end to end. But when they are joined length wise parallel to each other they will transfer same amount of heat in same condition in time
Answer: (B)
Solution
Let each rod have thermal resistance . The heat transferred is for the same temperature difference and heat. Joined end to end (series): , so . Joined side by side (parallel): , so $Q =
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