Output Voltage - Electrical Circuits and Systems I- Past Exam Paper, Exams of Electrical Circuit Analysis

Download Output Voltage - Electrical Circuits and Systems I- Past Exam Paper and more Exams Electrical Circuit Analysis in PDF only on Docsity! Electrical Circuits & Systems EE202 Page 1 of 5 Autumn Examinations 2010 Exam Code(s) 2BP121, 2BN121, 2BI121, 2BM121 Exam(s) Second Engineering Module Code(s) EE202 Module(s) Electrical Circuits & Systems Paper No. 1 Repeat Paper Yes External Examiner(s) Prof. G. Irwin Internal Examiner(s) Prof. G. Ó Laighin Dr. M. Glavin Dr. M. O’Halloran Instructions: Answer Question 1 and any three other questions. Question 1 is compulsory and carries 40 marks. Questions 2, 3, 4, 5 and 6 carry 20 marks each. Duration 3 Hours No. of Pages 5 (including header page) Department(s) Electrical & Electronic Engineering Course Co-ordinator(s) Requirements: MCQ Handout Statistical Tables Graph Paper Log Graph Paper 3 Cycle (Code: 5531) Other Material Electrical Circuits & Systems EE202 Page 2 of 5 1. (a) Define the following: (i) Kirchoff's Current and Voltage Laws (ii) Thevenin equivalent circuit [5 marks] (b) Use Kirchhoff’s laws to determine the currents i1, i2, and i3 in the circuit shown in Fig. 1 [5 marks] Figure 1 (c) Find the output voltage vo of the circuit shown in Fig. 2. [5 marks] Figure 2 (d) Use superposition to determine the output voltage vo of the circuit shown in Fig. 3. [5 marks] Figure 3 (e) Derive the s-domain transfer function for the circuit shown in Fig. 4. [5 marks] 8Ω 0.5H 0.1F 15Ω Vin(t) + - vo(t) + - i1 10V 4V + - + - i2 i3 5Ω 2Ω vo 6V + - + - 3Ω 4Ω 6Ω vo 3A 9V + - + - 3Ω 6Ω Figure 4