Unimelb Foundations of Electrical Networks Exam Paper
Student Number: ....................... .
THE UNIVERSITY OF MELBOURNE
Semester 2 Assessment November 2012 Department of Electrical and Electronic Engineering ELEN20005 FOUNDATIONS OF ELECTRICAL NETWORKS Time allowed: 180 minutes Reading time: 15 minutes This paper has 28 pages including the 3-page Formulae Sheet The test is printed single-sided.
Authorised materials:
Only Melbourne-School-of-Engineering-approved (with MSE approval sticker) electronic calculators are permitted.
Instructions to invigilators:
All examination material is to be collected at the end of the exam. Students may use a script book if they run out of writing space on the test paper itself.
Instruction to students:
Attempt ALL questions. The questions carry weight in proportion to the marks in brackets after the question labels. These marks total 100 marks. You must show your work in order to receive credit! Please write your student number in the space provided on the top of this page. Answer all questions and show all work on the test paper itself. Please use the blank back sides of the test paper for extra working space. If necessary, you may request a script book if no other space is available, and be sure to write your student number on the front.
This paper is to be reproduced and lodged with the Baillieu library. To be reproduced double sided.
ELEN20005 Foundations of Electrical Networks
Question 1 (6 marks)
(a) [3 marks] For the circuit below, determine the current i and voltage v in terms of the given information. You must show all of your work.
2R
't
.
4R
+
v
R
lOV
3R
Page 2 of 28
ELEN20005 Foundations of Electrical Networks
Question 1 (Continued)
(b) [3 marks] A current source has now been added to the circuit from part (a), resulting in the circuit below. Determine the current i and voltage v in terms of the given information. You must show all of your work.
2R
+
v lOY R
2A
4R
3R
Page 3 of 28
ELEN20005 Foundations of Electrical Networks
Question 2 (10
THE UNIVERSITY OF MELBOURNE
Semester 2 Assessment November 2012 Department of Electrical and Electronic Engineering ELEN20005 FOUNDATIONS OF ELECTRICAL NETWORKS Time allowed: 180 minutes Reading time: 15 minutes This paper has 28 pages including the 3-page Formulae Sheet The test is printed single-sided.
Authorised materials:
Only Melbourne-School-of-Engineering-approved (with MSE approval sticker) electronic calculators are permitted.
Instructions to invigilators:
All examination material is to be collected at the end of the exam. Students may use a script book if they run out of writing space on the test paper itself.
Instruction to students:
Attempt ALL questions. The questions carry weight in proportion to the marks in brackets after the question labels. These marks total 100 marks. You must show your work in order to receive credit! Please write your student number in the space provided on the top of this page. Answer all questions and show all work on the test paper itself. Please use the blank back sides of the test paper for extra working space. If necessary, you may request a script book if no other space is available, and be sure to write your student number on the front.
This paper is to be reproduced and lodged with the Baillieu library. To be reproduced double sided.
ELEN20005 Foundations of Electrical Networks
Question 1 (6 marks)
(a) [3 marks] For the circuit below, determine the current i and voltage v in terms of the given information. You must show all of your work.
2R
't
.
4R
+
v
R
lOV
3R
Page 2 of 28
ELEN20005 Foundations of Electrical Networks
Question 1 (Continued)
(b) [3 marks] A current source has now been added to the circuit from part (a), resulting in the circuit below. Determine the current i and voltage v in terms of the given information. You must show all of your work.
2R
+
v lOY R
2A
4R
3R
Page 3 of 28
ELEN20005 Foundations of Electrical Networks
Question 2 (10