ENGINEER 2MM3 ASSIGNMENT #4 SOLUTION
Due in class on Monday, 23 November 2015
1. A 120 V three-phase power system is shown below. It consists of an ideal ! = 120 V
(rms) Y-connected three-phas
ENGINEER 2MM3 ASSIGNMENT #3 SOLUTION
Due in class on Monday, 2 November 2015
1. Compute the current I supplied to the load, the power factor of the load, and the
ENGINEER 2MM3 ASSIGNMENT #1 SOLUTION
Due in class on Monday, 28 September 2015
1. Evaluate and sketch the voltage V2(t) for the circuit shown below in terms of V,
ENGINEER 2MM3 ASSIGNMENT #2 SOLUTION
Due in class on Monday, 19 October 2015
1. A core with three legs is shown in the figure below. Its depth is 5 cm, and there
ENG 2MM3 Assignment #1
Due: October 13, 2009 at my office ITB-A216
Question 1. (42 points)
The circuit shown in fig. 1(ii) is driven by the voltage source v(t) shown in fig. 1(i) with
frequency f =60
ENG 2MM3 Mid Term Examination II
November 18, 2009; 7-9 pm
Q1: A three-phase power system is shown in the following figure. It consists of an ideal 240
volts Y-connected three-phase generator connecte
ENG2MM3 Mid-Term Exam. #2, Term 1, 2008-2009 1 page 7:00pm ~ 8:40pm, Nov. 21, 2008
Points for Q1: 45
Q. 1. A three-phase power system is shown in fig 1. The phase voltage of the Y connected generator
ENG 2MM3 Assignment #1
Due: October 8 , 2010 by 4:15 P.M. at ITB-A110 (ENG2MM3 Box)
Question 1. (30 points)
An inductive load absorbs a current of I
rms
= 28A from a power line with v(t) =
169.7sin(37
NAME: _
STUDENT NO: _
ENGINEER 2MM3 MID-TERM TEST #2
November 9, 2015
This test is 50 minutes long and is closed book. Please answer the following three questions
NAME: _
STUDENT NO: _
ENGINEER 2MM3 MID-TERM TEST #2(2)
November 9, 2015
This test is 50 minutes long and is closed book. Please answer the following three questions
ENGINEER 2MM3 ASSIGNMENT #1 SOLUTION
Due in class on Wednesday, 27 January 2016
1. Evaluate and sketch the voltage ! for the circuit shown below in terms of V,
R1, R2 and C. assuming the swit
ENGINEER 2MM3 ASSIGNMENT #2
Due in class on Wednesday, 10 February 2016
1. A core with three legs is shown in the figure below. Its depth is 10 cm, and there
are 100 turns on each of the leftm
ENGINEER 2MM3 ASSIGNMENT #2 SOLUTION
Due in class on Monday, 19 October 2015
1. A core with three legs is shown in the figure below. Its depth is 5 cm, and there
are 100 turns on the leftmost
ENGINEER 2MM3 ASSIGNMENT #3 SOLUTION
Due in class on Monday, 2 November 2015
1. Compute the current I supplied to the load, the power factor of the load, and the real,
reactive, apparent and c
ENGINEER 2MM3 ASSIGNMENT #1 SOLUTION
Due in class on Monday, 28 September 2015
1. Evaluate and sketch the voltage V2(t) for the circuit shown below in terms of V,
R1, R2 and L. assuming the sw
ENGINEER 2MM3 ASSIGNMENT #4 SOLUTION
Due in class on Monday, 23 November 2015
1. A 120 V three-phase power system is shown below. It consists of an ideal ! = 120 V
(rms) Y-connected three-phas
NAME: _
STUDENT NO: _
ENGINEER 2MM3 MID-TERM TEST #2
November 9, 2015
This test is 50 minutes long and is closed book. Please answer the following three questions
in the space provided. Please
NAME: _
STUDENT NO: _
ENGINEER 2MM3 MID-TERM TEST #1 SOLUTION
October 5, 2015
This test is 50 minutes long and is closed book. Please answer the following three questions
in the space provided.
ENG2MM3 Mid-Term Exam. #1, Term 1, 2008
2 pages
1. The circuit shown is driven by a voltage of
7:0pm ~ 9:00pm, Oct. 16, 2008
at a frequency of
.
a) Find the input impedance
b) Find the power factor (
ENG 2MM3 Assignment 3, Fall 2009
Due: Nov. 16, 2009 in Class
Total points: 63
Q. 1: (Points 42) A three-phase power system is shown in fig 1. It consists of an ideal
210 volts Y-connected three-phase
ENG 2MM3-2014
Electrical Circuits & Power
Mid-term 1: Review
ENG2MM3-2014
1
Problem 1: A two-legged magnetic core with an air gap is shown in the next slide. The depth
of the core is 5 cm, the length
Eng 2MM3 Assignment #2
Due: March 12 by 4:15 PM at ITB-A110 (ENG2MM3 Box).
Question 1: (Points 78) A single phase step-down transformer is rated 80KVA, 4000V
400V. The results of Open Circuit and Shor
ENG 2MM3 Mid Term Examination II
November 18, 2010; 7:00-9:00 PM
Q1: (Points 63) A three-phase power system is shown in the following figure (Fig. 1).
It consists of an ideal 380 volts Y-connected thr
ENG 2MM3 Assignment 4, Winter 2010
Due: April 08, 2010 by 4:15 PM at ITB-A110 (ENG2MM3 Box)
Problem 1
30 Points
A 6 pole, 3 phase, 100 HP Y-connected induction motor operates at 420 V, 60 Hz. The
moto
Eng 2MM3 Mid-term Examination II
March 18, 2010
7-9 pm
Q .1 (51 Points): A three-phase power system is shown in the following figure. It consists of
an ideal 210 volts Y-connected three-phase generato
Eng2mm3 Midterm 2012
Duration of examination: 1 hour
You can use any calculator.
Total Marks : 15
1. F or an ideal transformer, show that
22 _ _ is.
v5 _ N5 ip'
where v = voltage, i = current and N =
ENG-2MM3 ELECTRICAL CIRCUITS AND POWER
Name
Student Number
INSTRUCTOR NAME
S. Kumar
DURATION OF EXAMINATION: 3 hours
McMASTER UNIVERSITY FINAL EXAMINATION
Dec 14, 2011
THIS EXAMINATION PAPER INCLUDES
ENG 2MM3-2014
Electrical Circuits & Power
Mid-term II: Review
March 10, 2014
ENG2MM3-2014
1
Problem 1: An ideal transformer has Np turns in the primary
winding and Ns turns in the secondary winding. (
ENGINEER 2MM3 ASSIGNMENT #3
Due in class on Wednesday, 2 March 2016
1. Compute the current I supplied to the load, the power factor of the load, and the real,
reactive, apparent and complex po