Physics · 2022
JEE Main · 29 July 2022, Shift 2 · Q35
A 1 m long wire is broken into two unequal parts X and Y. The X part of the wire is streched into another wire W. Length of W is twice the length of…
A $\displaystyle 1$ m long wire is broken into two unequal parts X and Y. The X part of the wire is streched into another wire W . Length of W is twice the length of X and the resistance of W is twice that of Y . Find the ratio of length of X and Y .
Official answer
(2)
$\displaystyle 1$:$\displaystyle 2$
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JEE Main 2022 Physics question, with the answer from NTA’s final answer key. Where our answers come from.