1. what is the Electric current that goes through the ampermeter (see the picture)
http://imageshack.us/photo/my-images/545/66683625.png"
[PLAIN]http://img545.imageshack.us/img545/4379/66683625.png
2. the current that goes through the 2R resistor is \frac{4\epsilon}{13R}.
(I dident...