Consider the circuit diagram depicted in the figure.

If the current through the top branch is I2 = 0.81 A, what is the current through the bottom, I3, in amps? 

E1 = 18 V
0.5 2
2.5 2
1.5 2
0.5 2
E2 = 45 V

Image Transcription

E1 = 18 V 0.5 2 R. 2.5 2 R, 1.5 2 0.5 2 E2 = 45 V

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