97. In the circuit portion shown in Fig. 20 shows an ammeter A current I = 2,0 A, R2 = resistance of 4 ohms, R3 = 8 ohms, and the resistance R1 through current flows I1 = 0,5 A. Determine the resistance R1, and currents I2 and I3, flowing through resistance R2 and R3, respectively.

Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)