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INTEGER:26. A sheet of copper of area 4m2 is heater up to 30°C. Its coefficient of area expansion is34 x 10-60C-1. The change in area of the sheet is× 10-5m2

Answer»

Change in area = Original Area* change in temperature* coefficient of area expansion= 4*30*34*(10^-6)= 408*(10^-5) m²

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