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Module 1—Introduction to Matter, Energy, and Direct Current
MATTER, ENERGY, AND ELECTRICITY
Module 1, Introduction to Matter, Energy, and Direct Current, introduces the course with a short history
of electricity and electronics and proceeds into the characteristics of matter, energy, and direct current
(dc). It also describes some of the general safety precautions and first-aid procedures that should be
common knowledge for a person working in the field of electricity. Related safety hints are located
throughout the rest of the series, as well.
INTRODUCTION
The origin of the modern technical and electronic Navy stretches back to the beginning of naval
history, when the first navies were no more than small fleets of wooden ships, using wind-filled sails and
manned oars. The need for technicians then was restricted to a navigator and semiskilled seamen who
could handle the sails.
Upon completing this chapter you will be able
State the meanings of and the relationship between matter, element, nucleus, compound, molecule, mixture, atom, electron, proton, neutron, energy, valence, valence shell, and ion.State the meanings of and the relationship between kinetic energy, potential energy, photons, electron orbits, energy levels, and shells and subshells.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.State the definition of static electricity and explain how static electricity is generated.State the meanings of retentivity, reluctance, permeability, ferromagnetism, natural magnet, and artificial magnet as used to describe magnetic materials.State the Weber and domain theories of magnetism and list six characteristics of magnetic lines of force (magnetic flux), including their relation to magnetic induction, shielding, shape, and storage.State, using the water analogy, how a difference of potential (a voltage or an electromotive force) can exist. Convert volts to microvolts, to millivolts, and to kilovolts.List six methods for producing a voltage (emf) and state the operating principles of and the uses for each method.State the meanings of electron current, random drift, directed drift, and ampere, and indicate the direction that an electric current flows.State the relationship of current to voltage and convert amperes to milliamperes and microamperes.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.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.
Module 1, Introduction to Matter, Energy, and Direct Current, introduces the course with a short history
of electricity and electronics and proceeds into the characteristics of matter, energy, and direct current
(dc). It also describes some of the general safety precautions and first-aid procedures that should be
common knowledge for a person working in the field of electricity. Related safety hints are located
throughout the rest of the series, as well.
INTRODUCTION
The origin of the modern technical and electronic Navy stretches back to the beginning of naval
history, when the first navies were no more than small fleets of wooden ships, using wind-filled sails and
manned oars. The need for technicians then was restricted to a navigator and semiskilled seamen who
could handle the sails.
Upon completing this chapter you will be able
State the meanings of and the relationship between matter, element, nucleus, compound, molecule, mixture, atom, electron, proton, neutron, energy, valence, valence shell, and ion.State the meanings of and the relationship between kinetic energy, potential energy, photons, electron orbits, energy levels, and shells and subshells.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.State the definition of static electricity and explain how static electricity is generated.State the meanings of retentivity, reluctance, permeability, ferromagnetism, natural magnet, and artificial magnet as used to describe magnetic materials.State the Weber and domain theories of magnetism and list six characteristics of magnetic lines of force (magnetic flux), including their relation to magnetic induction, shielding, shape, and storage.State, using the water analogy, how a difference of potential (a voltage or an electromotive force) can exist. Convert volts to microvolts, to millivolts, and to kilovolts.List six methods for producing a voltage (emf) and state the operating principles of and the uses for each method.State the meanings of electron current, random drift, directed drift, and ampere, and indicate the direction that an electric current flows.State the relationship of current to voltage and convert amperes to milliamperes and microamperes.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.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.
415 pages, Kindle Edition
Published September 23, 2025
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