69. Determine the strength of the currents flowing through the resistors R1 = R4 = 2 Ohms, R2 = R3 = 4 ohms included in the circuit, as shown in Fig. If ε1 = 10, ε2 = 4 V. The resistance current sources neglected.

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