Mathematics · Physics Aptitude
A wire of a given material has length L and cross-sectional area A, with resistance R. If the wire is stretched to twice its length while keeping the volume constant, what will be its new resistance?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 14R✓
- 22R
- 3R / 2
- 4Zero
Correct answer
4R
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