ELC 125 Electrical Circuits I

This course introduces a study of direct current fundamentals, including Ohm's law, Watt's law, and Kirchhoff's laws Series, Parallel, and Series-Parallel DC circuits, advanced methods of analysis and Network Theorems, capacitance, magnetism and inductance, capacitive and inductive transients.

 

 

Credits

4

Prerequisite

Prerequisite: (SSC 100 or concurrent ) and (MAT183 or concurrent)

See Course Syllabus

Course Number and Title:

ELC 125 Electrical Circuits I

Campus Location

  • Dover
  • Georgetown
  • Stanton

Effective Date

202351

Prerequisites

Prerequisite: (SSC 100 or concurrent ) and (MAT183 or concurrent)

Course Credits and Hours

4 credit(s)

3 lecture hours/week

3 lab hours/week

Course Description

This course introduces a study of direct current fundamentals, including Ohm's law, Watt's law, and Kirchhoff's laws Series, Parallel, and Series-Parallel DC circuits, advanced methods of analysis and Network Theorems, capacitance, magnetism and inductance, capacitive and inductive transients.

 

 

Additional Materials

Electronics Parts Kit,  TI-84+ or TI-89, or TI-36XPro Calculator, Digital Multimeter(Recommended but not required)

Required Text(s)

Obtain current textbook information by viewing the campus bookstore - https://www.dtcc.edu/bookstores online or visit a campus bookstore. Check your course schedule for the course number and section.

Disclaimer

None

Core Course Performance Objectives (CCPOs)

  1. Explain the fundamental elements of electric circuits. (CCC 1, 2, 5; PGC 1, 2, 3)
  2. Assess direct current series circuits. (CCC 2, 6; PGC 1, 2, 3, 4)
  3. Assess direct current parallel circuits. (CCC 2, 6; PGC 1, 2, 3, 4)
  4. Assess direct current series-parallel circuits. (CCC 2, 6; PGC 1, 2, 3, 4)
  5. Assess complex and multiple source direct current circuits using theoretical analysis. (CCC 2, 6; PGC 1, 2, 3, 4)
  6. Describe the construction, characteristics, and transient responses of capacitors and inductors in direct current circuits. (CCC 2, 6; PGC 1, 2, 3, 4)
  7. Explain the principles of magnetism, electromagnetism, and alternating current. (CCC 1, 2, 5, 6; PGC 1, 2, 3)  
  8. Follow procedural directions in laboratory assignments and reporting. (CCC 1, 2, 5; PGC 1, 6)


 

 

See Core Curriculum Competencies and Program Graduate Competencies at the end of the syllabus. CCPOs are linked to every competency they develop.

Measurable Performance Objectives (MPOs)

Upon completion of this course, the student will:

  1.     Explain the fundamental elements of electric circuits.
    1. Use powers of ten and engineering notation.
    2. Describe the basic structure of atoms.
    3. Explain the concept of electrical charge.
    4. Define voltage, current, and resistance, and discuss their characteristics.
    5. Describe the electrical characteristics of resistors.
    6. Translate a resistor value from the color code.
    7. Identify and explain the different types of resistors.
    8. Explain Ohm's Law and describe its function.
    9. Define energy and power.
  2. Assess direct current series circuits.
    1. Identify a series circuit.
    2. Compute the total resistance of resistors in a series configuration.
    3. Solve series direct current (DC) linear circuits in terms of voltage, resistance, current, and power.
    4. Apply Kirchoff's Voltage Law in a series circuit.
    5. Use the voltage divider formula to calculate voltages in a series circuit.
    6. Assemble and collect current and voltage data in series circuits using acceptable industry standards.
    7. Assemble and collect current and voltage data in series circuits using circuit analysis software simulation tools.
  3. Assess direct current parallel circuits.
    1. Identify a parallel circuit.
    2. Compute the total resistance of resistors in a parallel configuration.
    3. Solve parallel DC linear circuits in terms of voltage, resistance, current, and power.
    4. Apply Kirchoff's Current Law in a parallel circuit.
    5. Use the current divider rule to calculate current in a parallel circuit.
    6. Assemble and collect current and voltage data in parallel circuits using acceptable industry standards.
    7. Assemble and collect current and voltage data in parallel circuits using circuit analysis software simulation tools.
  4. Assess direct current series-parallel circuits.
    1. Identify series-parallel circuits.
    2. Compute the total resistance of resistors in a series-parallel configuration.
    3. Solve a series-parallel DC linear circuit in terms of voltage, resistance, current, and power.
    4. Identify differences between series, parallel, and series-parallel circuits.
    5. Solve a ladder network in terms of current, voltage, resistance, and power.
    6. Solve a balanced and unbalanced Wheatstone bridge circuit in terms of current, voltage, resistance, and power.
    7. Identify short and open circuits.
    8. Apply Thevenin’s theorem to simplify a circuit for analysis.
    9. Apply the maximum power transfer theorem to determine when the maximum power is transferred from a given circuit.
    10. Assemble and collect current and voltage data in series-parallel circuits using acceptable industry standards.
    11. Assemble and collect current and voltage data in series-parallel circuits using circuit analysis software simulation tools.
  5. Assess complex and multiple source direct current circuits using theoretical analysis.
    1. Use source conversion to solve voltage and currents in complex multi-source direct current circuits.
    2. Use mesh analysis to solve voltages and currents in complex multisource direct current circuits.
    3. Use branch analysis to solve voltages and currents in complex multisource direct current circuits.
    4. Use nodal analysis to solve voltages and currents in complex multisource direct current circuits.
    5. Solve simultaneous equations to determine the value of currents and voltages in complex multisource direct current circuits.
    6. Use the superposition theorem to analyze a multisource direct current circuit.
    7. Apply Thevenin’s theorem to simplify a direct current circuit for analysis.
    8. Apply Norton’s theorem to simplify a direct current circuit for analysis.
    9. Apply the maximum power transfer theorem to determine when maximum power is transferred from a given direct current circuit.
    10. Convert between delta-type and wye-type network arrangements to simplify a direct current circuit for analysis.
    11. Assemble and collect voltage and current data in complex and multiple source direct current circuits using acceptable industry standards and the tools and equipment required in your work environment.
    12. Assemble and collect data in complex and multiple source direct current circuits using circuit analysis software simulation tools.
  6. Describe the construction, characteristics, and transient responses of capacitors and inductors in direct current circuits. 
    1. Compute total capacitance of capacitors in a series, parallel, or series-parallel configuration.
    2. Compute total inductance of inductors in a series, parallel, or series-parallel configuration.
    3. Sketch the charge and discharge transient curves for a direct current resistor-capacitor (RC) charging and discharging network.
    4. Solve for the Thevenin equivalent circuit for a complex network external to the capacitive element of a direct current circuit.
    5. Sketch the storage and release transient curves for a direct current resistor-inductor (RL) energizing and de-energizing network.
    6. Solve for the Thevenin equivalent circuit for a complex network external to the inductive element of a direct current circuit.
    7. Assemble and collect voltage and current data for direct current circuits containing capacitors and inductors using acceptable industry standards and the tools and equipment required in your work environment.
    8. Assemble and collect data in direct current circuits containing capacitors and inductors using circuit analysis software simulation tools.
  7. Explain the principles of magnetism, electromagnetism, and alternating current.
    1. Define and explain magnetism and electromagnetism.
    2. Interpret a sine wave based on frequency, and write equations for sine waves, both shifted and not, with respect to time.
    3. Compute the peak voltage, peak to peak voltage, root-mean-square (rms) voltage, and average value of a sine wave.
    4. Use a graph, multi-meter, and/or oscilloscope to read alternating voltage values.
  8. Follow procedural directions in laboratory assignments and reporting.
    1. Use instructional material of the laboratory to assemble the circuits as designed in the experiment.
    2. Demonstrate the proper use of all tools and equipment required in the work environment.
    3. Compute the outcomes for each component.
    4. Collect data for each of the components of the circuit.
    5. Appraise, both orally and written, the comparisons and discrepancies of one or more laboratory assignments.
    6. Write laboratory reports using Microsoft Word or similar word processing software to describe the process and conclusions.
    7.  Use Microsoft Word, Microsoft Excel or similar software to produce data tables.

 

Evaluation Criteria/Policies

The grade will be determined using the Delaware Tech grading system:

90-100 = A
80-89 = B
70-79 = C
0-69 = F
Students should refer to the Catalog/Student Handbook for information on the Academic Standing Policy, the Academic Integrity Policy, Student Rights and Responsibilities, and other policies relevant to their academic progress.

Final Course Grade

Calculated using the following weighted average

Evaluation Measure

Percentage of final grade

Summative: 4-5 Exams (equally weighted)

50%

Summative: 8-10 Laboratory Experiments (equally weighted)

30%

Formative: Homework (equally weighted)

10%

Formative: Quizzes (equally weighted)

10%

TOTAL

100%

Program Graduate Competencies (PGCs are the competencies every graduate will develop specific to his or her major)

  1. Perform the duties of an entry-level technician using the skills, modern tools, theory, and techniques of the electronics engineering technology.
  2. Apply a knowledge of mathematics, science, engineering, and technology to electronics engineering technology problems that require limited application of principles but extensive practical knowledge.
  3. Conduct, analyze, and interpret experiments using analysis tools and troubleshooting methods.
  4. Identify, analyze and solve narrowly defined electronics engineering technology problems.
  5. Explain the importance of engaging in self-directed continuing professional development.
  6. Demonstrate basic management, organizational, and leadership skills which commit to quality, timeliness and continuous improvement.

Core Curriculum Competencies (CCCs are the competencies every graduate will develop)

  1. Apply clear and effective communication skills.
  2. Use critical thinking to solve problems.
  3. Collaborate to achieve a common goal.
  4. Demonstrate professional and ethical conduct.
  5. Use information literacy for effective vocational and/or academic research.
  6. Apply quantitative reasoning and/or scientific inquiry to solve practical problems.

Students in Need of Accommodations Due to a Disability

We value all individuals and provide an inclusive environment that fosters equity and student success. The College is committed to providing reasonable accommodations for students with disabilities. Students are encouraged to schedule an appointment with the campus Disabilities Support Counselor to request an accommodation needed due to a disability. The College's policy on accommodations for persons with disabilities can be found in the College's Guide to Requesting Academic Accommodations and/or Auxiliary Aids Students may also access the Guide and contact information for Disabilities Support Counselors through the Student Resources web page under Disabilities Support Services, or visit the campus Advising Center.

Minimum Technology Requirements

Minimum technology requirements for online, hybrid, video conferencing and web conferencing courses.