A) 0.5%
B) 2%
C) 1%
D) 4%
Correct Answer: D
Solution :
Length is increased by 2% \[\frac{\Delta A}{A}\,=\,B\,\times \,4\theta \,=\,(\alpha \,\times \,\Delta \theta )\] Area will increase by 4%You need to login to perform this action.
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