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Engineering Science Courses:
EGR245 - Electrical Circuit Analysis
Catalog Description: A comprehensive study of the basic concepts of electrical circuits. Topics include resistive, inductive and capacitive circuits, Kirchhoff’s Voltage and Current laws, analysis of operational amplifiers using mesh and nodal analysis, Sinusoidal Steady State circuit analysis, power calculations and the use of Phasors to develop current and voltage calculations. Laboratory will include the use of actual circuit elements to support theory from lecture sessions and will incorporate software to simulate system analysis. Three lecture hours, three lab hours. Prerequisite: PHY132.
Lecture: 3 hrs.
Lab: 3 hrs.
Course Learning Outcomes (CLOs):
Upon successful completion of this course as documented through writing, objective testing, case studies, laboratory practice, and/or classroom discussion, the student will be able to:
1. Develop current, voltage and power values for electrical circuits by using branch-current and node-voltage methods and applying Ohm's and Kirchhoff's laws.*
2. Develop methods for circuit analysis by applying Ohm's and Kirchhoff's laws to networks comprised of series and parallel resistors, inductors and capacitors.
3. Utilize Thevenin's theorem and develop Thevenin and Norton equivalent circuits to simplify circuit analysis.
4. Analyze a circuit containing two sources by applying the superposition theorem.
5. Utilize the design features of several types of Operational Amplifiers to determine their influence on circuit parameters.
6. Develop Phasor diagrams to investigate sinusoids at the same frequency.
7. Simulate circuit systems as part of the laboratory experience by using PSPICE software developed by Stanford University.
8. Investigate circuit parameters in the laboratory by using actual electrical circuit components. Assemble a circuit system and analyze system responses.
9. Investigate Natural and Step responses of series and parallel circuits containing resistors, inductors and capacitors.
* This course objective has been identified as a student learning outcome that must be formally assessed as part of the Comprehensive Assessment Plan of the college. All faculty teaching this course must collect the required data and submit the required analysis and documentation at the conclusion of the semester to the Office of Institutional Research and Assessment.
1. Circuit Variables
a. System of Units
b. Voltage and Current
c. Power and Energy
d. The Ideal basic Circuit Element
2. Circuit Elements
a. Voltage and Current Sources
b. Ohm's Law
c. Kirchhoff's Laws
3. Simple Resistive Circuits
a. Resistors in Series and Parallel Circuits
b. Measuring Resistance-The Wheatstone Bridge
c. Voltage and Current Division
d. Equivalent Circuits-Delta-to Wye
4. Techniques of Circuit Analysis
a. Node-Voltage Method
b. Mesh-Current Method
c. Source Transformations
d. Thevenin and Norton Equivalents
5. The Operational Amplifier
a. Terminal Voltages and Currents
b. Inverting and Summing Amplifier
c. Non- Inverting Amplifier
6. Inductance, Capacitance and Mutual Inductance
a. The inductor and Capacitor
b. Series-Parallel Combinations of Inductance and Capacitance
c. Mutual Inductance
7. Response of First-Order RL and RC Circuits
a. Natural Response of RL and RC Circuits
b. Step Response of RL and RC circuits
c. General Solution for Step and Natural Responses of RL and RC Circuits
d. The Integrating Amplifier
8. Natural and Step Responses for RLC Circuits
a. Introduction to Natural Responses of Parallel and Series RLC Circuits
b. Forms of the Natural Response of a Parallel RLC Circuit
c. Step Responses for RLC Circuits
9. Sinusoidal Steady- State Analysis
a. The Sinusoidal Source and Response
b. The Phasor
c. Frequency Domain vs. Time Domain
d. Kirchhoff's Laws in Frequency Domain
e. The Ideal Transformer
10. Sinusoidal Steady- State Power Calculations
a. Instantaneous Power
b. The rms value and Power Calculations
c. Complex power
d. Maximum Power Transfer
Effective Term: Fall 2012