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Two identical rods of length (L), area o...

Two identical rods of length `(L)`, area of cross-sectional `(A)` and thermal conductivity `k` are joined end to end. If temperature difference of free ends is `DeltaT`, the heat `Q_(0)` flows along rods per second. Find the total heat flowing per second along the rods if the two rods are placed parallel and temperature difference of free ends is `DeltaT`. There is no heat loss from curved surface.

A

`Q=4Q_(0)`

B

`Q=2Q_(0)`

C

`Q=Q_(0)//4`

D

`Q=Q_(0)//2`

Text Solution

AI Generated Solution

To solve the problem, we will analyze the heat flow through two identical rods when they are arranged in parallel. ### Step-by-Step Solution: 1. **Understanding Thermal Resistance**: Each rod has a thermal resistance \( R \). The thermal resistance \( R \) for a rod can be calculated using the formula: \[ R = \frac{L}{kA} ...
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