A thin copper wire of length / metre increases in length by 2% when he – McqOptions

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1.	A thin copper wire of length / metre increases in length by 2% when heated through\[10{}^\circ C\]. What is the percentage increase in area when a square copper sheet of length / metre is heated through \[10{}^\circ C?\]
A.	0.04
B.	8%
C.	16%
D.	None of these
Answer» B. 8%

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