Understanding the relationship between electricity and magnetism is important in understanding the way many electrical components function.
Learning Objectives
- Define electromagnetism
- Define electromagnetic induction
Magnetism is used to produce alternating current (AC). Knowing how AC is produced is important in understanding the way many electrical devices operate.
Learning Objectives
- Define a wave cycle
- Define frequency
- Understand how an AC waveform is produced
The electromagnetic property of a coil of wire carrying current has many uses in electrical circuits. Understanding this property is important in understanding the way many electrical devices operate.
Learning Objectives
- Define inductor
- Identify the symbols for inductors, solenoids, and relays
- Understand how an inductor can limit current
- Understand how a solenoid operates
- Understand how a relay operates
A common electrical device used in industrial facilities is the transformer. Identifying the components and functions of a transformer are important to anyone working with electricity.
Learning Objectives
- Identify the components of a transformer
- Identify the functions of a transformer
- Understand the relationship between the primary and secondary coils of a transformer
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Identify the type of transformer by the ratio of turns of the conductor on the coils
A capacitor is one of the few electrical devices capable of storing electrical energy in a circuit. Identifying the components and functions of a capacitor are important to anyone working with these devices.
Learning Objectives
- Identify the components of a capacitor
- Identify the functions of a capacitor
- Define capacitance
- Identify the unit of measure of capacitance