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A slab of cunductivity k is in the shape...

A slab of cunductivity k is in the shape of trapezoid as shown I figure. If the two end faces be maintained at temperature `T_(1)=50^(@)C and T_(2)=25^(@)C`, then determine the thermal current through the slab by ignoring any heat loss through the lateral surfaces.
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Text Solution

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`i=(30k)/(ln((8)/(5)))J//s`
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