railway RRB Technician Grade 1 Mock Test 2024 Physics Current, Resistance and Electricity Combination of Resistors — Series and Parallel
The equivalent resistance of the resistances (two) joined in parallel is 6/5 Ω. When one of the resistance wire is broken, the effective resistance becomes 2Ω. The resistance of the wire that got broken was :
1
2Ω
2
3Ω
3
5Ω
4
7Ω