Physics · Electric Current
If the cross-sectional area of a wire is reduced by a factor of 2 while keeping its length and material constant, then the resistance of the wire:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Remains the same
- 2Becomes half
- 3Becomes double✓
- 4Becomes four times
Correct answer
Becomes double
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