Circuit 3 For the circuit shown in the figure, calculate total resistance R₁_9, power P2 dissipated by resistor R₂, voltage drop U4 across resistor R4, voltage across the source U and current through the source / ! The following values are given: R₁ = 91 02, R₂ = 920, R3 = 870, R4 = 720, R5 = 76 0, R6 = 740, R7 = 780, Rg = 57 0, R9 = 920, power of the source P = 10 W Circuit diagram: R₁ R3 R5 R₂ R4 U R6 R1 R8 R9 HI

Fig: 1