For a temperature difference `DeltaT=20.0^(@)C`, one slab of material conducts `10.0W//m^(2)` , another of the same shape conduct `20.0W//m^(2)`. What

For a temperature difference `DeltaT=20.0^(@)C`, one slab of material conducts `10.0W//m^(2)` , another of the same shape conduct `20.0W//m^(2)`. What
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For a temperature difference `DeltaT=20.0^(@)C`, one slab of material conducts `10.0W//m^(2)` , another of the ... C. `20/3 W//m^(2)` D. none of these
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