Mathematics · Current Electricity
If a wire conductor of 0.1 Ω resistance is stretched uniformly so that its length is doubled, while keeping its volume constant, then its new resistance becomes-
- 10.2 Ω
- 20.4 Ω✓
- 30.02 Ω
- 40.1 Ω
Correct answer
0.4 Ω
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