A mild steel bar is in two parts having equal length. The area of cros – McqOptions

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1.	A mild steel bar is in two parts having equal length. The area of cross-section of part-1 is double that of part-2. If the bar carries an axial load P, then the ratio of elongation in part-1 to that in part-2 will be
A.	2
B.	4
C.	1/2
D.	1/4
Answer» D. 1/4

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