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in Physics by (49.4k points)

The two faces of a metal plate of thickness 40 mm and area 10-2m2 are maintained at 273 K and 373 K. The coefficient of thermal conductivity of metal is 380 w/m/K. Find the quantity of heat that flows through the plate in one hour.

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d = 40 × 10-3m

A = 10-2m2,

t = 1 hr = 3600s,

θ1 = 373K,

θ1 = 2.73K and K= 380 W/m/K

= 34.6×106J.

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