A bar of length L tapers uniformly from diameter 1.1 D at one end to 0.9 D at the other end. The elongation due to axial pull is computed using mean diameter D. What is the approximate error in computed elongation? (a) 10% (b) 5% (c) 1% (d) 0.5%

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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A bar of length L tapers uniformly from diameter 1.1 D at one end to 0.9 D at
the other end. The elongation due to axial pull is computed using mean
diameter D. What is the approximate error in computed elongation?
(а) 10%
(b) 5%
(с) 1%
(d) 0.5%
Transcribed Image Text:A bar of length L tapers uniformly from diameter 1.1 D at one end to 0.9 D at the other end. The elongation due to axial pull is computed using mean diameter D. What is the approximate error in computed elongation? (а) 10% (b) 5% (с) 1% (d) 0.5%
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