1. The problem statement, all variables and given/known data Find the effective resistance between X and Y. I have attached the circuit to this post. 2. Relevant equations V=IR 3. The attempt at a solution I did 0.25+0.5+0.5=1.25 then flipped the fraction to get 0.8ohm. I considered as if two resistors are connected in series and rest are connected in parallel .