190865 Electricity And Magnetism Final Exam (comprehensive)

In Figure, R1=6.0ΩR_{1}=6.0 \Omega,  R2=18.0ΩR_{2}=18.0 \Omega, and the ideal battery has emf ε=12.0V\varepsilon=12.0\rm{V}. What are the (a) size and (b) direction (left or right) of curr...