defence exam Coast Guard Navik GD (General Duty) 02/2025 Mock Test Series Physics Current, Resistance and Electricity Resistance and Resistivity
The resistance of a wire is R. When the length of the wire is increased by 20% and the cross-sectional area is decreased by 5%, the resistivity of the wire will:
1
Remain constant
2
Increase by 26.32%
3
Decrease by 26.32%
4
None of the above