NATIONAL Une interational University Department of Computer Science and Engineering EEE 2113: Electrical Circuit Final Exam: Summer 2022 Time: 2 hours Marks: 40 There are five questions here. Answer all of them 1. (a) Find the Thevenin equivalent of the following circuit at terminals a - b. 2vx 5A 492 3 A 4Ω + 18 V % Vx (+1 12V 222 Figure 1: Circuit diagram for Q-1 (b) Find the value of RL for the maximum power transfer. Also calculate the amount of maximum absorbed power. [2] 2. For the following circuit, determine Io using source transformation theorem. [8] 2 A 4Ω 4Ω www 3 A 10 V ww 1 992 www ww 292 6Ω Figure 2: Circuit diagram for Q-2 252 www a 1.5A www. 5Ω www 79 592 ob 30 V Figure 3: Circuit diagram for Q-3 6 A [6] 3. For the circuit shown in Figure 3, determine to using superposition theorem. [8].