railway RRB Technician Grade 1 Mock Test 2024 Physics Current, Resistance and Electricity Combination of Resistors — Series and Parallel
The effective resistance between P and Q for the following network is
1
\(\frac{1}{{12}}{\rm{\Omega }}\)
2
21 Ω
3
12 Ω
4
\(\frac{1}{{21}}{\rm{\Omega }}\)