A) 4.2 N
B) 4.4 N
C) 2.4 N
D) 8.8 N
Correct Answer: D
Solution :
Increase in tension of wire \[=YA\alpha \Delta \theta \] \[=8\times {{10}^{-6}}\times 2.2\times {{10}^{11}}\times {{10}^{-2}}\times {{10}^{-4}}\times 5=8.8\ N\]You need to login to perform this action.
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