Two wires A and B are of the same material. Their lengths are in the ratio 1 : 2 and the diameter are in the ratio 2 : 1. If they are pulled by the sa

Question

Two wires A and B are of the same material. Their lengths are in the ratio 1 : 2 and the diameter are in the ratio 2 : 1. If they are pulled by the sa

Two wires A and B are of the same material. Their lengths are in the ratio 1 : 2 and the diameter are in the ratio 2 : 1. If they are pulled by the same force, then increase in length will be in the ratio
A. `2:1`
B. `1:8`
C. `1:2`
D. `8:1`

Monjur Alahi

5 views

2025-01-04 04:42

1 Answers

Related Questions

Two wire of same material and same diameter have lengths in the ratio 2 : 5. They are stretched by same force. The ratio of work done in stretching th

2 Answers 4 Views

Two wires of the same material but of different diameters carry the same current `i`. If the ratio of their diameters is `2:1` , then the correspondin

2 Answers 4 Views

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

2 Answers 5 Views

Two wires made of the same material have lengths 3 m and 4 m and weight 18 gm and 16 gm respectively. When they are subjected to the same tension, rat

2 Answers 5 Views

Two wires of same material and length are stretched by the same force. If the ratio of radii of the two wires in `n:1` then the ratio of their elongat

2 Answers 5 Views

Two wires whose lengths are in ratio 3:2 are stretched with equal tension and give equal frequency . If the radii of the wires are in the ratio 3:2, t

2 Answers 5 Views

Two wires of the same diameter and material have length 1.2m and 2m. They emit the same fundamental frequency. If the shorter wire is stretched by a f

2 Answers 4 Views

Two stretched wires of same length, diameter and same material are in unison. Then tension in one is increased by 2% and 2 beat/s are heard . What was

2 Answers 5 Views

Two wires made up of the same material are of equal lengths but their diameter are in the ratio 1:2 . On stretching each of these two strings by the s

2 Answers 7 Views

The masses of the three wires of copper are in the ratio `5:3:1` and their lengths are in the ratio `1:3:5`. The ratio of their electrical resistances

2 Answers 7 Views

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

Salim Ahmed Kawsar

Correct Answer - B
`Y=(MgL_(1))/(pi r_(1)^(2)l_(1)) and Y=(MgL_(2))/(pi r_(2)^(2)l_(2))`
`(MgL_(1))/(pi r_(1)^(2)l_(1))=(MgL_(2))/(pi r_(2)^(2)l_(2))`
`therefore (l_(1))/(l_(2)) =(L_(1))/(L_(2)) (r_(2)^(2))/(r_(1)^(2)) =(1)/(2) xx ((1)^(2))/((2)^(2)) =(1)/(8)`

5 views Answered 2023-02-05 15:29