railway RRB Technician Grade 1 Mock Test 2024 Physics Current, Resistance and Electricity Combination of Resistors — Series and Parallel
For two resistance wires, joined in parallel, the resultant resistance is 6/5 Ω. When one of the resistance wires breaks the effective resistance becomes 2 Ω. The resistance of the broken wire is
1
3/5 Ω
2
2 Ω
3
6/5 Ω
4
3 Ω