92. The circuit shown in Figure, ξ1 = 10, ξ2 = 20 V, ξ3 = 30, R1 = 1 ohm, R2 = 2 ohms, R3 = 2 ohms, R4 = 4 ohms, R5 = 5 ohms, R6 = 6 ohms, R7 = 7 ohms. Internal sources of resistance are small. Find strength of currents.

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