1. The problem statement, all variables and given/known data V1-12V V2-9V R1-4 Ohms R2-7 Ohms R3-8 Ohms Each current has to be found when the switch (k) is both open and closed. 2. Relevant equations 3. The attempt at a solution I can find each current when the switch is open, however I'm confused at what would happen when it becomes closed.