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
detailed solution
Correct option is B
Qt = KA∆θl⇒ 6000 = 200×0.75×∆θ1∆θ = 6000×1200×0.75 = 400CTalk to our academic expert!
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The thickness of a metallic plate is 0.4 cm. The temperature between its two surfaces is 200C. The quantity of heat flowing per second is 50 cal from 5 cm2 area. The coefficient of thermal conductivity (in CGS system) will be
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