AP EAMCET Engineering 17 Sep 2020 Shift 2 Paper

Section: Physics
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Question : 81 of 160
 
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When a weight of 10‌kg is suspended from a copper wire of length 3 m and diameter 0.4 mm.its length increases by 2.4 cm. If the diameter of the wire is doubled, then the extension in its length will be _______
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