4. For the circuit to the right, using either mesh or nodal analysis to determine the Thévenin equivalent network, by a) finding the open circuit voltage between terminals a and b, and b) finding the short circuit current between terminals a and b. 10 A 30 Ω 802 5.2 Ω w w a 5. Use ORCAD spice to verify your result in problem 4. 500 V 120 b

Fig: 1