Someone plz....solve this :-(JEE Advanced 2013)

Q) One end of a horizontal thick wire of length 2L and radius 2R is welded to an end of another horizontal thin copper wire of length L and radius R.When the arrangement is stretched by applying forces at two ends, the ratio of the elongation in the thin wire to that in the thick wire is ? (JEE Advanced 2013)

1 Answers

Aditya Agarwal ·


→ ΔL1=2FL4πR2Y
Again for 2nd wire,



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