JOHN A. LOGAN COLLEGE L. Barros – SP 08 ELT 100 DC/AC ...

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JOHN A. LOGAN COLLEGE L. Barros – SP 08

ELT 100 DC/AC FUNDAMENTALS 8 cr. (4-8)

COURSE DESCRIPTION
:

DC/AC fundamentals will be approached by analyzing the basic series, parallel, and
series-parallel circuits. The analysis of AC will be continued with RC, RL, RCL, filters,
integrators, and differentiators. Circuit analysis theorems such as Thevenin’s and
Norton’s superposition will be reinforced by appropriate lab experiments.

PREREQUISITES
: None

COURSE OBJECTIVES
:

Upon completion of this course the student will be able to:

1. Given the symbol or component, identify various electronic components.
2. Given a circuit or other electronic problem, solve the problem using a calculator
and engineering notation.
3. Given an electronic circuit, use a VOM or oscilloscope to measure voltage,
current, or resistance.
4. Given a circuit problem, use Ohm=s law and the power equations to determine
current, voltage, resistance or power in a circuit or component.
5. Given a circuit problem, use Kirchhoff=s voltage law, Kirchhoff=s current law,
superposition theorem, Thevenin=s theorem, or Norton=s theorem to determine
the electrical characteristics of the circuit.
6. Given a sine wave, determine the period and frequency of the wave.
7. Given a circuit with an AC source, determine peak, peak-to-peak, and RMS
quantities as they relate to the circuit.
8. Given an RL, RC, RLC circuit, determine voltage, current, power, impedance,
and reactance in polar and rectangular form.
9. Given a range of frequencies, design, analyze, and construct high-pass, low-
pass, band-pass, and band-stop filters.

COURSE OUTLINE
:

1. Introduction
a. scientific notation
b. engineering notation
c. electrical quantities

2. Basic Electricity
a. structure of matter
b. current
c. voltage
d. resistance
e. basic circuit
f. electrical measurements

3. Ohm=s Law and Power
a. calculating current, voltage, resistance



2
4. Series DC Circuits
a. resistance, current, voltage and power in series
b. sources in series
c. voltages to ground
d. Kirchhoff=s voltage law
e. opens and shorts in series

5. Parallel Circuits
a. current, voltage, resistance and power in parallel
b. Kirchhoff=s current law
c. opens and shorts in parallel

6. Series-Parallel Circuits
a. current, voltage, resistance and power in complex circuits
b. loaded voltage divider
c. wheatstone bridge

7. Network Theorems
a. Thevenin=s
b. Norton=s
c. superposition
d. loop analysis
e. max power transfer

8. Alternating Current
a. sine wave
b. period and frequency
c. oscilloscope

9. Capacitors
a. basic capacitor
b. caps in series and in parallel
c. caps in DC and AC circuits

10. Inductors
a. basic inductor
b. inductors in series and parallel
c. inductors in DC and AC circuits

11. RC Circuits
a. series, parallel, series-parallel circuits

12. RL Circuits
a. series and parallel RLC circuits

13. RLC Circuits and Resonance
a. series, parallel, series-parallel circuits

14. Filters
a. high and low pass
b. band pass and band stop filters




3
COURSE REQUIREMENTS
:

1. Tests
will comprise 80% of the final grade. Labs will comprise 20% of the final
grade. All tests except the final will count 100 points and be comprehensive.
The final exam will be comprehensive and worth 200 points. There will be no
make-up of missed tests without prior arrangements. All tests will be announced
in advance. The student’s lowest test score will be dropped. It should be
understood that attendance is mandatory. All homework and quizzes will be
added to the total points. Quizzes may be announced or unannounced. All
assigned labs must be completed and included in a portfolio in order to receive a
passing grade. Failure to turn in a portfolio at the prescribed time will result in a
failing grade.

2. Attendance
. The attendance policies as outlined in the Student Rights and
Responsibilities Handbook will be followed. Missing any or all of a lecture or lab
will be considered an absence unless prior arrangements have been made.
There will be no test make-ups unless I am notified of the absence prior to the
scheduled test. Under no circumstances will there be make-ups or quizzes.
More than 6 absences will be considered and excessive number of absences and
will result in a failing grade for the class.

3. Tools and Materials
. See attached list.

4. Zero Tolerance Policies
. See attached list.

Student Success Center
. Tutors may be obtained through the Student Success Center.
Contact the staff in C219 if this service is desired. John A. Logan College will make
reasonable accommodations for students with documented disabilities under Section
504 of the Rehabilitation Act of 1973, and the Americans with Disabilities Act of 1990.
Any student with a disability that may have some impact on work in this class, who feels
she/he needs an accommodation, should make an appointment with the Coordinator of
Services for Students with Disabilities on campus, Jennifer Frost, Room C219B, Ext.
8516. Before services can be provided, this advisor must determine eligibility and
arrange appropriate academic adjustments. It is the student=s responsibility to
register in advance of a school term with this office and to turn in a schedule
each term
to ensure that there is every opportunity for success in this class.

English Writing Center/Tutoring
. For assistance with writing assignments in any college
course, students are encouraged to visit “The Write Place” in Room E109. English
instructors are available for one-on-one tutoring each semester during hours posted at
the center.

Financial Aid
. Students who receive financial assistance and completely withdraw from
classes prior to 60% of the semester being completed (approximately 2-3 weeks after
midterm) could be responsible to return a portion of their Federal Pell Grant award.
Prior to withdrawing from courses, students should contact the Financial Aid Office.

Course Withdrawal Information
. It is expected that you will attend this class regularly.
If you stop attending for any reason, you should contact your advisor and withdraw
officially to avoid the posting of a failing grade (an E) to your transcript. It is also
advisable to discuss the situation with your instructor before dropping.




4
METHOD OF EVALUATION
:

Grading: 93-100 = A
86-92 = B
79-85 = C
75-78 = D
74 or below will receive a failing grade

METHOD PRESENTATION
:

This course will be taught in a lecture, lab format.

TEXT
:

Principles of Electric Circuits, Electron Flow Version
by Floyd, fifth edition, Prentice Hall.

Experiments in DC/AC Circuits with Concepts
. Baker, Delmar.

INSTRUCTOR
: Luis Barros

DATE
: Spring, 2008

John A. Logan College Telephone Numbers

Carterville and Williamson County .................................................... 985-3741 (operator)
985-2828 (direct extension access)
Carbondale and Jackson County ..................................................... 549-7335 (operator)
457-7676 (direct extension access)
Du Quoin ........................................................................................................... 542-8612
West Frankfort ................................................................................................... 937-3438
Crab Orchard, Gorham, & Trico areas .................................................... 1-800-851-4720
TTY (hearing-impaired access) ......................................................................... 985-2752

John A. Logan College does not discriminate on the basis of race,
religion, color, national origin, disability, age, sexual orientation, or gender orientation.













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