Course Number and Title:
ELC 125 Electrical Circuits
Prerequisites
Prerequisite: ELC 109 and ((MAT 193 or concurrent) or (MAT 193 or higher))
Course Credits and Hours
4 credit(s)
3 lecture hours/week
3 lab hours/week
Course Description
This course provides a comprehensive understanding of direct and alternating current (DC and AC) circuits, including series, parallel, and series-parallel configurations. It covers complex multi-source circuits, magnetism, electromagnetism, and core principles of alternating currents.
Additional Materials
Required: Electronics Parts Kit
Recommended: TI-84+ or TI-89 or TI-36XPro Calculator, Digital Multimeter
Core Course Performance Objectives (CCPOs)
- Solve direct current series, parallel, and series-parallel circuits. (CCC 2, 6; PGC 1, 2, 3, 5)
- Analyze multiple-source direct current circuits using advanced analysis techniques. (CCC 2, 6; PGC 1, 2, 3, 5)
- Explain the principles of magnetism, electromagnetism, and alternating current. (CCC 2, 6; PGC 1, 2, 3, 5)
- Solve circuits that consist of resistors, capacitors, and inductors. (CCC 2, 6; PGC 1, 2, 3, 5)
- Describe the characteristics of transformers and polyphase systems. (CCC 2, 6; PGC 1, 2, 3, 5)
- Analyze power in alternating-current circuits. (CCC 2, 6; PGC 1, 2, 3, 5)
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:
- Solve direct current series, parallel, and series-parallel circuits.
- Identify series, parallel, and series-parallel circuits.
- Identify short and open circuits.
- Solve and build series, parallel and series-parallel circuits.
- Apply Kirchhoff's Voltage Law and Current Law to solve circuits.
- Apply voltage divider and current divider rules to solve circuits.
- Solve a Wheatstone bridge circuit.
- Analyze multiple-source direct current circuits using advanced analysis techniques.
- Apply mesh and nodal analysis to solve multisource direct-current circuits.
- Convert between delta and wye network configurations to simplify direct-current circuit analysis.
- Explain the principles of magnetism, electromagnetism, and alternating current.
- Describe the relationship between magnetic flux and current induction.
- Characterize a sine wave based on amplitude, frequency, and phase.
- Compute the peak voltage, peak to peak voltage, root-mean-square (rms) voltage, and average value of a sine wave.
- Interpret alternating voltage values using a graph, multi-meter, and/or oscilloscope.
- Solve circuits that consist of resistors(R), capacitors(C), and inductors(L).
- Explain the characteristics of capacitors and inductors.
- Describe the fields, energy storage, and transient behaviors in direct-current and alternating-current circuits.
- Analyze alternating-current RC, RL, and RLC circuits.
- Solve resonant frequency of a series RLC circuit.
- Describe the characteristics of transformers and polyphase systems.
- Explain the operation of a transformer and characterize its performance in terms of mutual inductance, turn ratio and efficiency.
- Solve for voltages, currents, and power in polyphase circuits with balanced and unbalanced wye and delta configurations.
- Describe single-phase and three-phase AC motor system connections.
- Analyze power in alternating-current circuits.
- Describe real, reactive, and apparent power in alternating-current circuits.
- Illustrate power graphically with the power triangle.
- Calculate power factor and apply power factor correction.
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 Assessments |
3 - 4 exams (equally weighted) | 50% |
6 - 8 Laboratory Experiments (equally weighted) | 30% |
Formative Assessments |
Homework (equally weighted) | 10% |
Quizzes (equally weighted) | 10% |
TOTAL | 100% |
Program Graduate Competencies (PGCs are the competencies every graduate will develop specific to his or her major)
- Apply practical knowledge of mathematics, science, engineering, and technology to electronics engineering technology problems.
- Conduct, analyze, and interpret experiments using analysis tools and troubleshooting methods.
- Demonstrate the ability to read and interpret electrical wiring, schematics and technical documentation.
- Utilize programming concepts to develop solutions for electronics engineering technology problems.
- Operate, integrate, and configure electronic components, ensuring proper functionality and adherence to safety and design specifications.
Core Curriculum Competencies (CCCs are the competencies every graduate will develop)
- Apply clear and effective communication skills.
- Use critical thinking to solve problems.
- Collaborate to achieve a common goal.
- Demonstrate professional and ethical conduct.
- Use information literacy for effective vocational and/or academic research.
- 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.