A thin copper wire of length $l$ $metre$ increases in length by 2% when heated through $10^{o}C.$ What is the percentage increase in area when a square copper sheet of length $l$ $metre$ is heated through $10^{o}C$

Question

Dr. Abubacker · Accepted Answer

Since percentage increase in length =2% Hence, percentage increase in area if square sheet =$2 	imes 2\% = 4\%$

Q. A thin copper wire of length $l$ $metre$ increases in length by 2% when heated through $10^{o}C.$ What is the percentage increase in area when a square copper sheet of length $l$ $metre$ is heated through $10^{o}C$

Explanation

Reviewed by Dr. Abubacker

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