1. The problem statement, all variables and given/known data What is the magnitude i in the figure below, if all resistances are 4 ohms, and all batteries are ideal with an emf of 12.4 V? http://edugen.wiley.com/edugen/courses/crs1650/art/qb/qu/c27/pict_27_70.gif 2. Relevant equations 3. The attempt at a solution I realize I need to set up a loop equation. I decided to start in the lower left hand corner, turn left at the first "branch", go through the parallel resistors, through the unknown current, then turn left again, through the resistor, then left again, through the battery, and back to my starting point. I realize this completely disregards the rest of the circuit, but I do need a simple loop equation because as soon as I incorporate additional currents, I have too many unknowns and it can't be solved. My answer of 0.886 A through the given resistor is incorrect, and I have checked my loop equation multiple times. The picture looks daunting, but I feel like it's very do-able; I just need a loop that will work. Can anyone point me in the right direction?