# VEM-104 Basic Electricity II

Course Description: Â Â  Â This course covers the introduction and examination of the principles, applications and measurement of alternating current.Â  Students will compare different types of alternating current circuits.Â  The course emphasizes filtering basics, reactance, resonance, RC, RL, RLC, relays, transformers, phase angles & relationships and power factors.Â  Students will apply formula to analyze AC circuits.Â  It also includes the theoretical and practical aspects of series, parallel, and series-parallel circuit construction.Â  To advance to the next level of Electrical course, the student must demonstrate proficiency to at least â€śCâ€ť grade level.

• Prerequisite Course: VEM 103

A. PROGRAM LEARNING OUTCOMES (PLOs)
The student will be able to:

1. Practice safety and occupational health procedures in the workplace.
2. Use electricity hand and power tools competently.
3. Test electrical equipment.
4. Interpret schematic wiring diagrams and waveforms.
5. Determine the amount of load per circuit.
6. Install residential wiring circuits according to given specification and plan.

B. STUDENT LEARNING OUTCOMES (SLOs) - GENERAL
The student will be able to:

1. Describe the basic principles of alternating current and various AC waveforms.
2. Competently use AC test equipment
3. Calculate resistance, inductance and capacitance of an AC circuit.
4. Calculate and perform RCL circuit troubleshooting.
5. Demonstrate transformer action, relays and electrical circuit.
 SLO PLO1 PLO2 PLO3 PLO4 PLO5 PLO6 1 I I I I 2 ID ID 3 ID ID DM 4 I DM DM 5 I I D D D

I = Introduced
D = Demonstrated
M = Mastered

C. STUDENT LEARNING OUTCOMES (SLOs) - SPECIFICÂ
The student will be able to:

Â General SLO 1. Describe the basic principles of alternating current and various AC waveforms.

 Student Learning Outcomes Assessment Strategies 1.1. Describe various AC sine wave, its frequency, cycle, period and wavelength. Text assignments, quizzes, tests, and experimentation. 1.2. Â Explain the operation of an AC generator and its electrical degrees generated. 1.3. Calculate peak, peak to peak, average, RMS and magnitude values of voltage. 1.4. Identify and describe harmonic frequency, square waves and sawtooth waves.

General SLO 2. Competently use AC test equipment.

 Student Learning Outcomes Assessment Strategies 2.1 Describe a typical oscilloscope and its four main sections. Text assignments, quizzes, tests, and experimentation. 2.2 Demonstrate the ability to correctly setup and use the oscilloscope to observe AC waveform. 2.3 Identify and describe two main sections of the function generator and its various controls. 2.4 Describe frequency counters.

General SLO 3. Calculate resistance, inductance and capacitance of AC circuit.

 Student Learning Outcomes Assessment Strategies 3.1 Use Ohmâ€™s Law to calculate resistance in series, parallel and series-parallel AC circuits. Text assignments, quizzes, tests, and experimentation. 3.2 Identify the relationship between voltage, current and resistance in series, parallel and series parallel AC circuits. 3.3 Describe the construction and operating characteristics of an inductor. 3.4 Calculate inductance and inductive reactance. 3.5 Describe the construction and operating characteristics of a capacitor. 3.6 Calculate capacitance and capacitive reactance.

General SLO 4. Calculate and perform RCL circuit troubleshooting.

 Student Learning Outcomes Assessment Strategies 4.1 Determine current, voltage and impedance in an RL series and parallel circuit. Text assignments, quizzes, tests, and experimentation. 4.2 Determine current, voltage and total impedance in an RC series and parallel circuit. 4.3 Identify and measure RC filter circuits. 4.4 Determine the total voltage, current and impedance in a series and parallel RCL circuit. 4.5 Verify the relationship of impedance, current and voltage in series and parallel RCL circuits by measuring and calculating values.

General SLO 5.Â  Transformers, Relays and Electrical Circuit.

 Student Learning Outcomes Assessment Strategies 5.1 Describe transformer operating characteristics. Text assignments, quizzes, tests, and experimentation. 5.2 Calculate and measure transformer input and output voltages to determine normal operation. 5.3 Describe the purpose and types of relays. 5.4 Troubleshoot faulty relay circuit. 5.5 Describe the operation of an electrical circuit and its component symbols.

D. COURSE CONTENTS

I. Alternating Current and AC waveforms
II. AC Testing Equipment
III. Resistance, Inductance and Capacitance in an AC circuit.
IV. RCL Circuit and Troubleshooting
V.Â  Transformer, Relays and Electrical Circuit

E. TEXT(S) AND COURSE MATERIALS

Burke, T., Shannon, G., Brown, N., & Rogers, C. (2008). NCCER Electrical Level 2 NEC
revision. Gainesville, FL: Pearson Education, Inc. (or most recent edition).
Binder

F. REFERENCE MATERIALS

NIDA, (2002). NIDA Lab Text Manual. Melbourne, Florida, USA: NIDA Corporation (or most recent edition).Â Â

G. INSTRUCTIONAL COST

None

H. EVALUATION

Students must achieve 70% mastery or a â€śCâ€ť to pass this course.

I. CREDIT BY EXAMINATION

None

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