1. The problem statement, all variables and given/known data How do I find the direction of the magnetic field at the points? 2. Relevant equations Ampere's B = (UI) / (2*pi*r) 3. The attempt at a solution I know how the Right hand rule, where your thumb is the direction of the current and your hand wraps the direction of the field, but I'm not sure how it plays in when both the current are opposite.