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Course Introduction
Overview of this course and e-VOTECH e-Learning.
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Electrical Safety
Rules and precautions while working with electrical equipment.
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Matter, Energy, and Electricity
State the meanings of and the relationship between matter, element, nucleus, compound, molecule, mixture, atom, electron, proton, neutron, energy, valence, valence shell, and ion.
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Conductors, Semiconductors, and Insulators
State, in terms of valence, the differences between a conductor, an insulator, and a semiconductor, and list some materials which make the best conductors and insulators
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Static Electricity
State the definition of static electricity and explain how static electricity is generated.
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Magnetism
State the meanings of retentivity, reluctance, permeability, ferromagnetism, natural magnet, and artificial magnet as used to describe magnetic materials.
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Electrical Energy
State, using the water analogy, how a difference of potential (a voltage or an electromotive force) can exist.
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Voltage
List six methods for producing a voltage (EMF) and state the operating principles of and the uses for each method.
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Electric Current
State the meanings of electron current, random drift, directed drift, and ampere, and indicate the direction that an electric current flows.
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Conductance
State the definitions of and the terms and symbols for resistance and conductance, and how the temperature, contents, length and cross-sectional area of a conductor affect its resistance and conductance values.
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Resistance
List the physical and operating characteristics of and the symbols, ratings, and uses for various types of resistors; use the color code to identify resistor values.
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Batteries
Define a battery, and describe general maintenance procedures for batteries including the use of the hydrometer, battery capacity, and rating and battery charging.
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Schematic Diagrams
Identify the term schematic diagram and identify the components in a circuit from a simple schematic diagram.
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Ohm's Law
State the equation for Ohm’s law and describe the effects on current caused by changes in a circuit.
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Watt's law
Given simple graphs of current versus power and voltage versus power, determine the value of circuit power for a given current and voltage.
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Series and Parallel Circuits
Compute circuit and component power in series, parallel, and combination circuits
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Course Review
Review course materials
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Final Exam