A very thin metallic sheet is placed between two wood plates of different thicknesses. Theplates are firmly pressed together and electricity is passed through the sheet. The exposed surfaces ofthe two plates lose heat to the ambient fluid by convection. Assume uniform heating at the interface.Neglect end effects and assume steady state.[a] Will the heat transfer through the two plates be the same? Explain.[b] Will the exposed surfaces be at the same temperature? Explain

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Chapter2: Steady Heat Conduction
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A very thin metallic sheet is placed between two wood plates of different thicknesses. The
plates are firmly pressed together and electricity is passed through the sheet. The exposed surfaces of
the two plates lose heat to the ambient fluid by convection. Assume uniform heating at the interface.
Neglect end effects and assume steady state.
[a] Will the heat transfer through the two plates be the same? Explain.
[b] Will the exposed surfaces be at the same temperature? Explain

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