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Hema Chandran
Asked: 2022-11-04T18:50:54+05:30 In:

Four uniform wires of the same material are stretched by the same force. The dimensions of wire are as given below. The one which has the minimum elongation has:
A. radius 3 mm, length 3 m
B. radius 0.5 mm length 0.5 m
C. radius 2 mm,length 2 m
D. radius 3 mm, length 2 m

Four uniform wires of the same material are stretched by the same force. The dimensions of wire are as given below. The one which has the minimum elongation has:
A. radius 3 mm, length 3 m
B. radius 0.5 mm length 0.5 m
C. radius 2 mm,length 2 m
D. radius 3 mm, length 2 m
Parabola
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1 Answer

  1. Correct Answer – D
    `trianglel=(Fl)/(pir^2Y)impliestrianglelprop(l)/(r^2)`
    Only option radius 3 mm length 2 m is satisfying the above relation.

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