Bar&RailProblemFlowchart B R + V
M Beginassumingthebarisatrest.
Istherea current? F=IlXB
Yes
Calc. net force
Yes
Istherea mechanical force? F=Mg
Nothingmoves!
No
IsnetForce> friction?
Yes
FindIwhen Mg
EE 204.3
Solution #7
Due: Nov 8, 2013
1) Answer the following questions about capacitive filtering for off-line power supplies (i.e.
AC to DC supplies powered form 120VAC, 60Hz mains supply).
[3]
a) W
EE 204.3
Solution #6
Due: Nov 1, 2013
Note: Assume all op amps are TL082, powered by 15V unless otherwise specified.
Also assume they are ideal, except that they are limited in output voltage by the p
EE 204.3
Solution #11
Due: study purposes
1) A battery pack consists of a number of 1.5V, 850mAh AAA primary cells. If they are
connected as shown in the wiring diagram below, what is the packs voltag
EE 204.3
Solution #9
Due: Nov 22, 2013
1) A hp (output) motor is fed from a 120VDC source (1hp=746W). On the mechanical
side, the motor has friction losses of 23.5W when operating. The motor constant,
EE 204.3
Solution #1
Due: Sep 20, 2013
1) A capacitor stores its energy in its
[.5]
a)
b)
c)
d)
e)
bank.
electric field
battery
magnetic field (inductor)
force field
2) Find the value of the total ind
EE 204.3
(Instructors: D. Lynch, A. Ortlepp)
Midterm Examination
Friday, Oct 25, 2013
8:30 9:20AM / 11:30AM 12:20PM
Time Allowed: 50 minutes
Materials allowed: One 8 X 14 formula sheet,
Calculator
Lan
EE 204.3
Solution #4
Due: Oct 11, 2013
1) (2012 midterm) A 120 VAC source is connected to two ideal transformers as shown in the
figure below.
[3]
120VAC 60HZ
2:1
R2
R3
I
10
TR2
+
40
R1
TR1
3:1
20
a)
EE 201.3 (Section 03)
(Instructor: Denard Lynch)
Final Examination
Thursday, December 18, 2003
9:00 AM
Time Allowed: 3 Hours
Materials allowed: One 8 X 11 sheet of notes,
Calculators
Instructions:
Ans
EE 201.3 (Section 03)
(Instructor: Denard Lynch)
Midterm Examination
Tuesday, October 22, 2002
7:00 PM
Time Allowed: 2 Hours
Materials allowed: One 8 X 11 sheet of notes,
Calculators
Instructions:
Ans
EE 201.3 (Section 03)
(Instructor: Denard Lynch)
Final Examination
Saturday, December 7, 2002
2:00 PM
Time Allowed: 3 Hours
Materials allowed: One 8 X 11 sheet of notes,
Calculators
Instructions:
Answ
EE201.3
Section 03
Mid-term Examination
October 23, 2001
Time allowed: 2 hours
Permitted: one 8.5 X 11 formula sheet, calculators
Instructions:
Do all questions
Weighting is indicated in the left marg
EE 201.3 (Section 03)
(Instructor: Denard Lynch)
Midterm Examination
Tuesday, October 21, 2003
7:00 PM
Time Allowed: 2 Hours
Materials allowed: One 8 X 11 sheet of notes,
Calculators
Instructions:
Ans
EE 201.3 (Section 01/03)
(Instructors: Dr. Daniel Teng/Denard Lynch)
Final Examination
Monday, December 13, 2004
9:00 AM
Time Allowed: 3 Hours
Materials allowed: One 8 X 11 sheet of notes,
Calculators
EE 201.3
(Instructors: Lynch/Teng)
Midterm Examination
Tuesday, October 25, 2005
7:00 PM
Time Allowed: 2 Hours
Materials allowed: One 8 X 11 formula sheet,
Calculators
Instructions:
Answer all questio
EE 201.3 (Sections 01/03)
(Instructors: Dr. Daniel Teng/Denard Lynch)
Final Examination
Friday, December 9, 2005
9:00 AM
Time Allowed: 3 Hours
Materials allowed:
One 8 X 11 sheet of notes,
Calculators
EE 201.3 (Section 03)
(Instructor: Denard Lynch)
Midterm Examination
Tuesday, October 26, 2004
7:00 PM
Time Allowed: 2 Hours
Materials allowed: One 8 X 11 formula sheet,
Calculators
Instructions:
Answ
EE 204.3
Solution #5
Due: Oct 18, 2013
1) A colour Light Emitting Diode, LED1 in the figure below, is to be powered from a
10VAC(RMS), 60Hz source. The AC source is full-wave rectified through the dio
EE 204.3
Solution #8
Due: Nov 15, 2013
1) Fill in the table below by writing one of the following terms to the right of the phrase that
best describes it: CPU, ALU, Memory, I/O, Timers, Bus.
[3]
Descr
Bar and Rail Example Problems (Answers at the end)
Question 1 The figure at right shows a wooden cylinder of mass M = 0.25 Kg, a radius R and a length l = 0.1m with a coil of N = 10 turns of wire wrap
EE201.3
Class Notes
Force on a moving charge in a magnetic field (Note: see the last page (p4) of this section for a refresher on cross-products if required.) Recall the two sides of the relationship
EE201.3 INDUCTANCE Resistance opposes current; Capacitance opposes changes in voltage; Inductance opposes changes in current.
V
Recall Faradays Law: EM = !
d" for the voltage dt
induce in a loop of wi
Magnetic Circuits and Examples Review of Magnetism Originates at the molecular level: electrons orbiting a nucleus induce a magnetic moment each orbit induces its own separate moment depending on part
Using MATLAB to solve Simultaneous Complex-valued Equations: Open the MATLAB application (from the START Mathematics and Graphing MATLAB R2008b) on any of the lab computers. Have your simultaneous equ
EE201.3 Consider the circuit shown below:
Mesh/Nodal Analysis
2 IS
25 0 V +
0
Va I1 3 Vb i1 j5 I2
-j6 I3
Vd I4 j2 Ve i2 -j4 i3 1 Vf -j3
Z1
j4 Vc Find: IS, I1 through I4, Va through Vf, and ZT, the tot
EE201.3 R L in Series: Z = R + j L
Frequency Effects Series & Parallel Resonance
at very low frequencies, ( 0, jL 0) Z = R 0 at very high frequencies, ( , jL ) Z = 900 Define c (fc) when |ZR| = |ZL| R
EE201
Response of the basic elements to AC / Phasor Notation
Lets go back and look at the voltage w.r.t. time in a R-L-C series circuit: 47 Take, for now, as a given: i(t) = 2.48sin(377t)A i=2.48sin(3
Average and Effective (RMS) Values of Composite Waveforms For a waveform composed of a number of components, for example: x(t) = a(t) + b(t) + c(t) + (1) the average and effective values may be determ