Two pieces of wire, A and B of the same material have their lengths in the ratio `1:3` and their diameters are in the ratio `2:1` . If they are stretc

Question

Two pieces of wire, A and B of the same material have their lengths in the ratio `1:3` and their diameters are in the ratio `2:1` . If they are stretc

Two pieces of wire, A and B of the same material have their lengths in the ratio `1:3` and their diameters are in the ratio `2:1` . If they are stretched by the same force, their elongations will be in the ratio
A. `2:1`
B. `1:6`
C. `1:12`
D. `8:1`

Monjur Alahi

5 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - C
For constant force and same material
`=(l_(1))/(l_(2)) = (L_(1))/(L_(2))xx(r_(2)^(2))/(r_(1)^(2))=(1)/(12)`

5 views Answered 2023-02-05 15:29