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Heat flow per unit time (dQ/dt ) =k A dT/dx
k =0.18 w/mk , T2=98.6F or 37°C ; T1= 25°C dx=1.6cm =0.016 m
hence dT = 37-25 = 12
therefore dQ/dt= 0.18 * 1.62 * (12/0.016) = 218.7 W
Option - C
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Jun 28th, 2015
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