Electrical and Electronics: Module 13

Module 13A: Alternating Current: Theory and Circuits (Core)

Suggested time: 7 - 10 hours

Level: Intermediate

Prerequisite: Module 2A

Foundational Objectives

To use appropriate terminology for electricity or electronics in context.
To read and interpret schematic diagrams and other technical documents.
To increase self-esteem from success with the equipment, materials and techniques used.
To be knowledgeable of the various principles and characteristics of electricity and electronics.

Common Essential Learnings Foundational Objectives

To understand the principles of resistance, capacitance and inductance in an AC circuit. (TL)
To use the vocabulary and make calculations related to alternating current (AC) circuits. (COM, NUM)

Note: Other CELs may be emphasized.

Learning Objectives	Notes
ALTERNATING CURRENT
13.1 To define the process known as electromagnetic induction. (COM)	Students should observe and describe the generator principle.
13.2 To list the three factors that affect the voltage induced in a wire.	Experiment with voltage being induced in a wire. (TL)
13.3 To understand a sine wave. (NUM)	Students calculate pk, pk to pk and RMS for differences in sine waves. Discuss a sine wave and how it functions. Draw a sine wave and label all the parts. Refer to Module 3 for review of terminology for oscilloscopes.

Module 13B: Alternating Current: Theory and Circuits (Core)

Suggested time: 7 - 10 hours

Level: Advanced

Prerequisites: Modules 2, 13A

Learning Objectives	Notes
CAPACITOR CIRCUITS
13.4 To explain what a capacitor is, how it works and how it is rated. (COM)	Students will observe different capacitors and the instructor will describe how they are constructed and rated. Connect a capacitor in a circuit and observe what happens.
13.5 To list factors that affect capacitance.	Wire different capacitors in electrical circuits in which students can control the different settings.
13.6 To calculate total capacitance in a circuit.	Connect capacitors in series, parallel and combination and have students determine total capacitance. Calculate total capacitance in different capacitance circuits.
13.7 To calculate the power used in a capacitive circuit. (NUM)	Have students solve various problems concerning power in a capacitive circuit.
13.8 To explain phase shift and power factor. (COM, NUM)	Students should observe what happens in a circuit when capacitors are added to lower the power factor.

Module 13C: Alternating Current: Theory and Circuits (Core)

Suggested time: 7 - 10 hours

Level: Advanced

Prerequisites: Modules 2, 13B

Learning Objectives	Notes
13.9 To explain what is an inductor. (COM, IL)	Students observe a circuit containing an inductor.
13.10 To list the factors that affect inductance and the basic units of inductance.	Examine different electrical circuits.
13.11 To calculate the inductive reactance in an AC circuit. (NUM)	Calculate inductive reactance in different circuits.
13.12 To calculate the power factor.	Determine power being used in the circuits above.