Homework Statement
What is the potential difference between points a and b in the diagram?
http://imgur.com/Ubr4A
Homework Equations
The Attempt at a Solution
I have calculated the currents to be:
I1=0.30A
I2=0.65A
I3=0.35A
What I tried doing was (0.30*5) - 0.35= 1.15 V but...