PRACTICE 10.8 In the circuit of Fig. 10.17, both sources operate at w = 1 rad/s. If Ic = 2/28° A and I = 3/53° A, calculate (a) I¸; (b) V¸; (c) i R1 (t). Ans: 3/-62° A; 3.71/-4.5° V; 3.22 cos(t - 4.5°) A. IRI 743 www ΙΩ V₁ 2H 202 www 1F: ■FIGURE 10.17 A three-mesh circuit. Each source operates at the same frequency w.