Question:medium
A wire of resistance $R$ is stretched to double its length. Its new resistance will be:
A wire of resistance $R$ is stretched to double its length. Its new resistance will be:
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For stretching: $R \propto l^{2}$. If length is $n$ times, resistance is $n^{2}$ times.
Updated On: Apr 8, 2026
- $R$
- $2R$
- $4R$
- $R/2$
Show Solution
The Correct Option is C
Solution and Explanation
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