A thin copper wire of length L expands in length by 0.2% when it is heated from 00C to 500C. If a copper plate of area 2L×L4 is heated from 00C to 1000C. The % increase in its area is
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A thin copper wire of length L expands in length by 0.2% when it is heated from 00C to 500C. If a copper plate of area 2L×L4 is heated from 00C to 1000C. The % increase in its area is