A copper wire and an aluminium wire have...

A copper wire and an aluminium wire have lengths in the ratio `3:2,` diameters in the ratio `4:3,`Forces in the ratio `4:5.` Find the ratio of increase in length of the two wires. `(Y_(cu)=1.1xx10^(11)N//m^(-2),Y_(AI)=0.7xx10^(11)Nm^(-2)`

`110:189`

`180:110`

`189:110`

`80:11`

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