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Grade 12Thermal Physics

A uniform slab of dimensional 10 cm x 10 cm x 1 cm is kept between two heat reservoirs at temperatures 10°C and 90°C. The larger surface areas touch the reservoirs . The thermal conductivity of the material is 0.80 W/m°C. Find the amount of heat flowing through the slab per min find the amount of heat flowing through the slap per minute

Pratim

8 Years agoGrade 12

1 Answer

Eshan

8 Years ago

$\dfrac{dH}{dt}=K\dfrac{A\Delta T}{t}$
$=0.8\times \dfrac{(0.1\times 0.1)(90-10)}{0.01}$ W
=64W=3.84kJ/min

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