A parallel circuit has four branch currents: 120 mA, 250 mA, 380 mA, and 2.1 A. How much current passes through the power source?
A parallel circuit has four branch currents: 120 mA, 250 mA, 380 mA, and 2.1 A. How much current passes through the power source?
![sheet 3 electric circuits[2]](http://s2.studylib.net/store/data/026183691_1-6b03f70d4f07d30f02a70c2aa3ef4720-300x300.png)
