railway RRB Technician Grade 1 Mock Test 2024 Physics Current, Resistance and Electricity Combination of Resistors — Series and Parallel
If a wire of resistance 2 R Ω, with uniform cross-section, is cut into two halves and the end points are joined together, the equivalent resistance obtained between these two points is:
1
R/2 Ω
2
R/4 Ω
3
2R Ω
4
R Ω