JEFFERSON COLLEGE

COURSE SYLLABUS

ETC103

DC CIRCUITS

5 Credit Hours

Prepared by:

Ronald C. Boyer

Revised Date: August, 2007

By

Dennis Eimer

Division of Technology

Dr. John Keck, Dean

Ms. Brenda Russell, Associate Dean

I. Catalog Description

DC Circuits is a study of electrical units of measure, direct current theory,

circuit theorems and analysis techniques, and equipment and procedures

common to the analysis of DC circuits.

Prerequisite:

COMPASS algebra score of at least 42, ASSET elementary algebra score of

40 or higher, ACT math score of 18 or higher or MTH002 with a grade of C

or better.

Credit Hours: 5

II. Expected Learning Outcomes with Assessment Measures

Upon Completion of this course, the student will be able to:

A. Demonstrate knowledge and understanding of the concepts and laws

related the study of voltage, current, resistance, and power in DC .

(Evaluate by written exams, quizzes and observation of lab

performance)

B. Demonstrate ability to identify and schematically represent common

components used in DC circuits. (Evaluate by written exams, quizzes

and observation of lab performance)

C. Demonstrate skill in constructing series, parallel, and complex

series/parallel circuits from a schematic diagram. (Evaluate by

observation of lab performance)

D. Demonstrate knowledge and skill in the use of test equipment

commonly associated with DC circuit analysis. (Evaluate by written

exams, quizzes and observation of lab performance)

E. Demonstrate ability to successfully analyze and troubleshoot DC

components and circuits. (Evaluate by written exams, quizzes and

observation of lab performance)

III. Course Outline

A. Electricity

B. DC Components and Symbols

C. Ohms Law

D. Series Circuits

E. Parallel Circuits

F. Series-Parallel Circuits and Measuring Instruments

G. Network Simplification

Unit 1 Objectives

A. Electricity:

1. State the definition of the terms:

a. element

b. atom

c. molecule

d. compound

2. Describe the location within the structure of the atom of the:

a. nucleus

b. proton

c. neutron

d. electron

3. State the charge of the:

a. proton

b. neutron

c. electron

4. State the definition of the terms:

a. atomic number

b. shell

c. valence electrons

d. positive ion

e. negative ion

f. conductor

g. semiconductor

h. insulator

i. coulomb

j. law of charges

k. voltage

l. current

m. resistance

n. conductance

5. State the unit of measurement of:

a. voltage

b. current

c. resistance

d. conductance

6. State the direction of current flow for:

a. electron current flow

b. conventional current flow

7. State and give at least one example of each of six sources of

EMF

8. Contrast conduction and induction as methods for delivering a

static charge

9. Draw the electrical symbol for:

a. volt

b. ampere

c. resistance

d. ohm

e. conductance

f. Siemans

Reading Assignment: Meade, Foundations of Electronics, 5

h

Edition pp. 3 –31

Review Questions: pp 25 – 26 Questions Numbers 1 – 14 & 16 -25

Integrated Mathematics Objectives

Basic Arithmetic, Decimals, Powers of Numbers, and Systems of

Measurement

1. State the four basic operations in arithmetic

2. Define the following Laws of Arithmetic

a. Commutative Law

b. Associative Law

c. Distributive Law

3. State the order of Operations in arithmetic.

4. Define fractions

5. Be able to add, subtract, multiply and divide fractions

6. Be able to reduce fractions to the lowest terms

7. Be able to use the calculator and its memory to perform basic

Arithmetic operations.

8. Define a decimal fraction.

9. Be able to add, subtract, multiply and divide decimals.

10. Be able to convert between fractions, decimal fractions, and

Percentages

11. Be able to calculate a percent change.

12. Define significant digits

13. State the rules for rounding off numbers.

14. Define Accuracy

15. Define Precision

16. Define exponent

17. Be able to raise a number to a power.

18. State the order of operations.

19. Be able to add, subtract, multiply and divide powers of ten.

20. Define absolute value

21. Be able to find the square root and the cube root of a number

22. Be able to raise powers of ten to a positive power

23. Be able to find roots of powers of ten

24. Be able to simplify expressions with radical signs.

25. Be able to do powers and roots on the calculator

26. Express numbers in scientific notation and engineering notation

27. Perform the following operations on numbers expressed in

Scientific notation and engineering notation

a. Addition

b. Subtraction

c. Multiplication

d. Division

e. Root of a power

f. Power of a power

28. Express numbers using common electrical unit prefix

29. Define S I Units

30. Be able to use the calculator for engineering and scientific notation

operations.

Reading Assignment: Kramer, Mathematics for Electricity and Electronics

3rd edition

pp. 1 - 104

Problem Assignment: Problems will be assigned in class as the material is covered

Unit 2 Objectives

B. DC Components and Symbols

1. State the minimum requirements for a practical DC circuit

2. Draw the following basic electronic symbols:

a. single cell

b. multiple cell

c. conductors crossing but not electrically connected

d. electrically connected conductors

e. single pole single throw switch (normally open

normally closed)

f. single pole double throw switch

g. double pole double throw switch

h. rotary switch (single pole n position)

i. push button switch (normally open normally closed

momentary contact)

j. fixed resistor

k. rheostat

l. potentiometer

m. fuse

n. lamp

3. State the definition of the following terms:

a. cell

b. battery

4. Describe the method for connecting cells for a:

a. higher voltage

b. higher capacity

c. higher voltage and capacity

5. Describe the following batteries (primary/secondary, terminal

voltage, discharge characteristics, capacity, shelf life):

a. Carbon-Zinc (Leclanch and zinc chloride)

b. Alkaline-Manganese Dioxide

c. Mercury

d. Silver

e. Nickel-Cadmium

f. Lithium

g. Lead-Acid

6. State the physical factors that contribute to the resistance of a

conductor

7. State the unit of measurement of the resistivity (specific

resistance) of a conductor material

8. State the definition of the term temperature coefficient of

resistance (positive, zero, negative)

9. Given the American Wire Gage chart, determine the resistance

of a given length of a given gage wire at the reference

temperature

10. State the definition of the following terms:

a. fuse voltage rating

b. fuse fault-condition current

c. fuse short circuit rating

d. fuse response time

11. State the general response time characteristic of the circuit

breaker

12. Determine the value and tolerance of a color-coded resistor

using the EIA standard color code

13. Determine the minimum and maximum acceptable measured

value given the color-coded value of a resistor

14. Distinguish between a potentiometer and a rheostat in terms of

purpose of use

15. State the definition of the term potentiometer taper

16. Describe and draw the schematic symbol for the:

a. thermistor

b. photo resistor (photo conductive cell)

Reading Assignment: Meade, Foundations of Electronics, 5

th

Edition pp. 27 –55

Review Questions: pp 56 – 57 Questions Numbers 1 – 25

Computer Support: DC Challenge “Color Code”

Lab Assignment: Determine Resistor values by color code and be able to prove the value

using an Ohm Meter.

Integrated Mathematics Objectives:

Basic Algebra

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

a. State the meaning of signed numbers

b. Add, subtract, multiply and divide signed numbers.

c. Identify an algebraic expression

d. Combine algebraic terms

e. State the five basic rules for working with exponents

f. Define the meaning of negative and zero exponents.

Reading Assignment: Kramer, Mathematics for Electricity and Electronics

3rd

edition pp. 105 - 132

Problem Assignment: Problems will be assigned in class as the material is covered

Unit 3 Objectives

C. Ohms Law:

1. State the three forms of Ohm's Law

2. Calculate a value of voltage, current, or resistance given any

other two circuit values

3. Express a value of voltage, current, or resistance using the

appropriate prefix

4. State the definition for work

5. State the definition for power

6. State the unit for expressing mechanical power

7. State the unit for expressing electrical power

8. State the relationship between electrical and mechanical power

9. Calculate the kilowatthour (kWh) power consumption given

power used and the time the power is used

10. State the three forms for calculating electrical power

11. Calculate power given any two other circuit values (current,

voltage, or resistance)

12. Calculate the remaining two of the four circuit values (current,

voltage, resistance, or power) given any two circuit values

13. Describe the procedures and precautions for connecting a

VOM when measuring a:

a. voltage

b. current

c. resistance.

D. Series Circuits

1. State the definition of the term series circuit

2. Apply the laws of a series circuit for the purpose of circuit

computations for unknown values of voltage, current,

resistance, and power:

a. current in a series circuit

b. Kirchhoff's Voltage Law

c. total resistance of series connected resistors

d. voltage divider rule

e. total power dissipation

3. Correctly assign the polarity of an IR voltage drop

4. State the value and polarity of a voltage with respect to a

reference (standard subscript notation for voltages with respect

to circuit common and reference points other than circuit

common)

5. Calculate the effective voltage of multiple source series circuits

6. Calculate the value of a series current limiting resistor or

excess voltage dropping resistor

7. State the symptoms of an open or shorted component in a

series circuit

8. Draw electronic symbols for:

a. common chassis or circuit ground

b. earth ground or circuit ground

Reading Assignment: Meade, Foundations of Electronics, 5th Edition pp. 61 –117

Review Questions: p. 81 Questions Numbers 1 – 10

pp. 118 1 – 10

Problems: p. 82 Numbers 1 – 25

pp. 119 - 120 1 - 28

Computer Support: DC Challenge “Series Circuits”

Lab Assignment: Build series circuits on the trainer and be able to measure the

voltage, current, and resistance of that circuit.

Integrated Mathematics Objectives:

Linear Equations & Math for DC Circuits

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

a. State the meaning of a first-degree or linear equation

b. Use the step-step process for solving linear equations

c. Transpose terms in an equation.

d. Solve first degree equations with fractions, decimals, and percents.

e. State the basic concepts of DC circuits.

f. Apply Ohm’s Law to DC circuits.

g. State the meaning of direct proportion and inverse proportion.

h. Explain the concepts of energy, work, and electric power.

I. Derive and use power formulas.

Reading Assignment: Mathematics for Electricity and Electronics

3rd edition

By: Arthur Kramer pp. 133 - 163

Problem Assignment: Problems will be assigned in class as the material is covered

Unit 4 Objectives

E. Parallel Circuits:

1. State the relationship between:

a. applied voltage and branch voltage

b. circuit current and branch current (Kirchhoff's

Current Law)

c. total resistance and the smallest branch resistance

2. Calculate the total resistance given the individual branch

resistances

3. Calculate conductance given resistance and vice versa

4. Calculate total conductance given the individual branch

conductances

5. Calculate branch resistance given the branch voltage and

branch current

6. Calculate total current given the applied voltage and branch

resistances

7. Apply the current divider rule for the solution of a branch

current

8. Calculate power in a parallel circuit

9. State the symptoms of an open and shorted branch.

Reading Assignment: Meade, Foundations of Electronics, 5

th

Edition pp. 129 –152

Review Questions: p. 154 Question Numbers 1 – 12

Problems: pp. 145 – 157 Numbers 1 – 30

Computer Support: DC Challenge “Parallel Circuits”

Lab Assignment: Build parallel circuits on the trainer and be able to measure the

voltage, current, and resistance of that circuit.

Integrated Mathematics Objectives:

Multiplying and Factoring Polynomials

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

a. State the meaning of a monomial, binomial, trinomial, and polynomial

b. Multiply two binomials.

c. Multiply a trinomial by a binomial.

d. Separate a monomial factor from a polynomial.

e. Factor a polynomial into two binomials.

f. State the meaning of a second degree or quadratic equation.

g. Solve a second degree equation by factoring and taking roots.

h. solve a second degree equation by the quadratic formula

Reading Assignment: Mathematics for Electricity and Electronics

3rd edition

By: Arthur Kramer pp. 165 - 183

Problem Assignment: Problems will be assigned in class as the material is covered

Unit 5 Objectives

F. Series Parallel Circuits and Measuring Instruments

1. Reduce series circuits connected in parallel and parallel circuits

connected in series to a single equivalent resistance

2. Apply the concept of equivalency for the solution of unknown

values in a single source complex series-parallel circuit

3. Analyze a series-parallel circuit for conditions resulting from

an open or shorted component

4. Given the applied voltage, required "bleeder current", and the

load specifications, design the necessary circuit to supply the

specified voltages

5. Analyze the loaded voltage divider for the conditions resulting

from an open or shorted component

6. State the indications of a Wheatstone Bridge in balance

7. Calculate the conditions necessary to balance a Wheatstone

Bridge

8. Describe the basic construction and characteristics of the

following meter movements:

a. D'Arsonval/Weston

b. Electrodynamometer

9. Calculate the simple shunt required to extend the range of a

basic meter movement

10. Given the meter movement sensitivity, internal resistance, and

current ranges, calculate the resistances necessary for the

Ayrton shunt

11. State the method for connecting the ammeter for current

measurements

12. Analyze a circuit for the effects of ammeter loading

13. Given the meter movement sensitivity and internal resistance

calculate the required multiplier resistance to construct a

voltmeter of a given range

14. Given the ohms/volt sensitivity of a voltmeter, calculate the

internal resistance of the voltmeter for a given range

15. Analyze a circuit for the effects of voltmeter loading

16. State the method for connecting a voltmeter for voltage

measurements

17. Describe the construction and characteristics of a series

ohmmeter

Reading Assignment: Meade, Foundations of Electronics, 5th Edition pp. 165 –196

pp. 331 -346

Review Questions: pp. 197 - 198 Question Numbers 1 – 10

Problems: pp. 198 – 200 Numbers 1 – 31

Computer Support: DC Challenge “Series - Parallel Circuits”

Lab Assignment: Build series -parallel circuits on the trainer and be able to measure the

voltage, current, and resistance of that circuit. Demonstrate Analog volt meter loading

effects.

Integrated Mathematics Objectives:

Algebraic Fractions

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

a. Reduce algebraic fractions to lowest terms.

b. Multiply and divide algebraic fractions.

c. Find the lowest common denominator.

d. State the meaning of equivalent algebraic fractions.

e. Add algebraic fractions

f. Simplify and solve equations with fractions

Reading Assignment: Mathematics for Electricity and Electronics

3rd edition

By: Arthur Kramer pp. 185 - 202

Problem Assignment: Problems will be assigned in class as the material is covered

Unit 6

Objectives

G. Network Simplification

1. Apply Kirchhoff'sVoltage and Current Law for the solution of

a multi-source DC network for values of voltage, current, or

power using:

a. superposition theorem

b. node voltage analysis

c. mesh current analysis

2. Solve for the Thevenin equivalent circuit for a DC network

3. Solve for the Norton equivalent circuit for a DC network

4. Convert the Thevenin equivalent circuit to a Norton equivalent

circuit and vice versa

5 simplify a DC bridge circuit using delta to wye

transformations

6. Convert a DC wye network to an equivalent delta network

7. State the Maximum Power Transfer Theorem

Reading Assignment: Meade, Foundations of Electronics, 5th Edition pp. 209 –249

Mathematics for Electricity and Electronics 3rd edition

By: Arthur Kramer pp. 274 - 317

Review Questions: Meade. p. 230 Numbers 1 – 12

p. 251 Numbers 1 - 12

Problems: Meade. pp. 230 – 231 Numbers 1 – 15

pp. 251 – 252 Numbers 1 - 18

Computer Support: None

Lab Assignment: Prove The Superposition Theorem by building a multisource circuit

and do the voltage and current measurements.

Build a Series – Parallel circuit and solve for unknown load values

IV. Methods of Instruction

:

Lecture, Demonstration, Labs, Discussion, Computer

software usage

V. Required Textbook

1. Meade, Foundations of Electronics, 5th edition

2. Reeder, Using MultiSIM : Troubleshooting DC/AC Circuits, 4

th

edition

3. Kramer, Mathematics for Electricity & Electronics 3rd edition

VI. Required Materials

1. Electronic Scientific Notation Calculator

VII. Supplemental References

MiacSoft Computer tutorial software

VIII. Methods of Evaluation

A. Distribution of the Final Grade

70% Theory (tests, quizzes, homework)

20% Lab (observing work habits, safety habits, follow verbal instructions

and perform the exercises assigned)

10% Instructor Evaluation (Student participation, attendance, homework)

B. Assignment of Final Letter Grade:

A = 90 – 100%

B = 80 -- 89%

C = 70 -- 79%

D = 64 -- 69%

F = Below 64%

IX. ADA Statement

Any student requiring special accommodations should inform the

instructor and the Coordinator of Disability Support Services (Library;

phone 636-797-3000, ext. 169).

X. Academic Honesty Statement

As a student in the Electronics Department, you are advised of the Statement

of Academic Honesty published in the Jefferson College Student Handbook

.

Plagiarism, Cheating, and Computer misuse violate the College’s standards

of academic honesty, and the expectations for conduct in the Electronics

Department. Conduct related to assignments, examinations, or computer

usage during the completion of assignments or examinations in violation of

the standards of academic honesty may result in a failing (F) grade given for

the assignment or examination, and potentially, the course.

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