Consider the situation shown in figure. The frame is made of the same material and has a uniform cross-sectional area everywhere. If amount of heat flowing per second through a cross-section of part A is 60 J. The amount of total heat taken out per second from the end at 50°C is 0.132 × 10 n J/s. Find ‘n’.
Text Solution
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CHECK THE SOLUTION.
(3)
R 1 = thermal resistance of bent part = 
, R 2 = 
Q = 60 J/s ⇒ Q = 132 j/s
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