Maricopa Community Colleges  TDR123   19886-20086 
Official Course Description: MCCCD Approval: 07/22/08
TDR123 19886-20086 LEC 5 Credit(s) 5 Period(s)
AC Theory
Alternating currents, alternating current (AC) circuits, circuit combinations.
Prerequisites: TDR122.
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MCCCD Official Course Competencies:
 
TDR123   19886-20086 AC Theory
1. Apply knowledge of pythagorean theorem and trigonometric functions to electrical theory. (I)
2. Describe alternating current (AC), explain why it is used, and how it is transmitted. (II)
3. Compare and contrast types of AC wave forms vs. DC wave forms. (II)
4. Describe the characteristics of alternating current including the values of AC voltage and current, the average values and effective values. (III)
5. Describe resistive AC circuits including current and voltage, phase relationships, and power formulas. (IV)
6. Describe the effects of electromagnetism in AC circuits including induced electromotive force (EMF), self-induction and mutual induction. (V)
7. Solve inductance problems and describe the factors determining inductance and inductance values in series and parallel AC circuits. (VI)
8. Describe inductive and capacitive AC circuits. Apply formulas to solve problems. (VI)
9. Using a graph, demonstrate separating vectors into components, and adding vectors into components. (VII)
10. Describe the differences between alternating current and direct current.
11. Describe the fundamental principles for the generation of an electromotive force (EMF) in an AC generator.
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MCCCD Official Course Outline:
 
TDR123   19886-20086 AC Theory
    I. Review of Trigonometry
      II. Alternating Current (AC)
          A. AC Power Sources
          B. Angular Motion
          C. AC Wave Forms
          D. The Sine Wave
        III. AC Characteristics
            A. Frequency
            B. Wave Length
            C. Effective Values of AC Voltage and Current
            D. Single Phase and 3-Phase
          IV. Resistive AC Circuits
              A. Current and Voltage
              B. Phase Relationship
              C. Power
            V. Effects of Electromagnetism in AC Circuits
                A. Induced Electromotive Force (EMF)
                B. Self-Induction
                C. Mutual Induction
              VI. Inductive and Capactive AC Circuits
                  A. Current Voltage
                  B. Phase Relationship
                  C. Power Formulas
                VII. Vectors
                    A. Graphic Representation
                    B. Adding and Subtracting Vectors
                    C. Use of Triangles and Trigonometry
                    D. Power Factors
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