10 V R₁ = 52 R₂ = 102 R3 = 20 2 ip R₁ = 10 Ω ia R₁₂ = 1 A 25 V 5 Ω R4=102 R5 = 202 (a) Figure 2.30 Circuits for Exercise 2.14. (b) 5. Use the values found for the node voltages to calculate any other currents or voltages of interest. Exercise 2.14 Use the node-voltage technique to solve for the currents labeled in the circuits shown in Figure 2.30. Answer a. ia = 1.33 A; b. i = -0.259 A. ☐