Question: A flat thin vertical electric heating panel, of height 1 . 0 m and width 0 . 5 m , is insulated on one side.

A flat thin vertical electric heating panel, of height 1.0 m and width 0.5 m, is
insulated on one side. If the other surface has a uniform temperature of 80oC,
calculate the rate of convection heat transfer to the surrounding air at 20oC.(7
marks)

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