Questions
In a composite rod, when two rods of different lengths and of the same area of cross-section are joined end to end, then if K is the effective coefficient of thermal conductivity is equal to
detailed solution
Correct option is C
R=R1+R2 ∵ Thermal Resistance R=LkAL1+L2kA=L1k1A+L2k2A ⇒L1+L2k=L1k1+L2k2Talk to our academic expert!
Similar Questions
A body of length 1 m having cross sectional area has heat flow through it at the rate of 6000 Joule/sec. Then find the temperature difference if K = 200 J
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