basic electro mechanical

Problems 49 2.4 If the interconnection in Fig. P2.4 is valid, find the 2.7 a) Is the interconnection in Fig. P2.7 valid? Explain. total power developed in the circuit. If the intercon- b) Can you find the total energy developed in the nection is not valid, explain why. circuit? Explain. Figure P2.4 Figure P2.7 10 V is 20 20 A 40 V 100 V 2.5 The interconnection of ideal sources can lead to an indeterminate solution. With this thought in mind, 2.8 If the interconnection in Fig. P2.8 is valid, find the explain why the solutions for ", and 2 in the circuit total power developed in the circuit. If the intercon- in Fig. P2.5 are not unique. nection is not valid, explain why. Figure P2.5 100 V Figure P2.8 + 50 V 25 A 10 20 A 50 V 250 V 6i 80 10 A 2.6 If the interconnection in Fig. P2.6 is valid, find the total power developed in the circuit. If the intercon- 2.9 Find the total power developed in the circuit in nection is not valid, explain why. Fig. P2.9 if v. = 100 V and ig = 12 A. Figure P2.6 6V IV Figure P2.9 5 mA 80 V 8 mA 12 mA 60 V 4 A 10 V 12 V