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The heat is flowing through a rod of len...

The heat is flowing through a rod of length 50 cm and area of cross-section 5cm². Its ends are respectively at 25°C and 125°C. The coefficient of thermal conductivity of the material of the rod is 0.092 kcal / m×s×°C. The temperature gradient in the rod is

A

2°C / cm

B

2°C / m

C

20°C / m

D

20°C / cm

Text Solution

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The correct Answer is:
A
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