A wire of length 100.0m at 30o has linear expansive of 2x10-5K-1 Calculate the length of the wire at a temperature of - 10oC
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Correct Answer: Option D
Explanation:
\(L_2 = L_1 + \alpha(\theta_2 - \theta_1)\)
= 100 + 0.00002(-10-30) = 99.92
\(L_2 = L_1 + \alpha(\theta_2 - \theta_1)\)
= 100 + 0.00002(-10-30) = 99.92