The resistance of a 10 m long wire is 10 Ω. Its length is increased by 25% by stretching…
Physics · JEE Main · NTA Exams — Current Electricity
The resistance of a 10 m long wire is 10 Ω. Its length is increased by 25% by stretching the wire uniformly. The resistance of wire will change to (approximately)
- 12.5 Ω
- 14.5 Ω
- 15.6 Ω
- 16.6 Ω
Answer
(C) 15.6 Ω
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