Teaching UP TGT Mock Test Series 2025 Physics Current, Resistance and Electricity Resistance and Resistivity
The resistance of a 10 m long wire is 10Ω. Its length is increased by 25% by stretching the wire uniformly. The new resistance is
1
18.6Ω
2
15.6Ω
3
12.8Ω
4
14.9Ω