A steel bar is 900 mm long: its two ends are 40 mm and 30 mm in diameter and the length of each rod is 200 mm. The middle portion of the bar is 15 mm in diameter and 500 mm long. If the bar is subjected to an axial tensile load of 15 kN, find its total ex tension Take E 200 GPa. a. 0.2454 mm b. 0.5162 mm C. 0.3524 mm d. 0.1426 mm

Elements Of Electromagnetics
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3. A steel bar is 900 mm long: its two ends are 40 mm and 30 mm in diameter and the

length of each rod is 200 mm. The middle portion of the bar is 15 mm in diameter and

500 mm long. If the bar is subjected to an axial tensile load of 15 kN, find its total

ex tension Take E 200 GPa.

a. 0.2454 mm

b. 0.5162 mm

C. 0.3524 mm

d. 0.1426 mm

 

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