Obtain the Thvenin and Norton equivalent circuits for the active network in Fig. 4-13(a). With terminals ab

Question:

Obtain the Thévenin and Norton equivalent circuits for the active network in Fig. 4-13(a). With terminals ab open, the two sources drive a clockwise current through the 3-Ω and 6-Ω resistors [Fig. 4-13(b)]. I = 20 + 10 3 +6 30 9 A UE UE U9 3 30 FF FF 20 V (+ 10 V 10 V (a) (b) S.C. 302 b S.C. (c) 20 V 3 www U9 o a UE b ww 11111 b