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Navy Electricity and Electronics Training Series (NEETS)
Module 1—Introduction to Matter, Energy, and Direct Current
Pages INDEX-1 to INDEX-4

MODULE 1 INDEX




A

Artificial magnets, 1-14, 1-15
Atoms, matter, 1-4 to 1-8 energy levels, 1-5, 1-6 ionization, 1-8
shells and subshells, 1-6 valence, 1-7


B

Batteries, 2-2 to 2-29 cell, 2-2container, 2-3 electrodes, 2-2 electrolyte, 2-3 primary cell, 2-3 secondary cell, 2-3
electrochemical action, 2-4 local action, 2-7 polarization of the cell, 2-7 primary cell chemistry, 2-4
secondary cell chemistry, 2-5, 2-6
summary, 2-22 to 2-29
types of cells, 2-8 to 2-16
batteries, 2-13
battery charging, 2-20, 2-21
battery construction, 2-16 to 2-18
battery maintenance, 2-18, 2-19
capacity and rating of batteries, 2-20, 2-22
combining cells, 2-13 to 2-15
primary dry, 2-8 to 2-11
secondary wet, 2-11 to 2-12
Battery charging, 2-20, 2-22
charging rate, 2-22 charging time, 2-22 equalizing, 2-21
fast, 2-22 floating, 2-21 gassing, 2-22 initial, 2-21 normal, 2-21


C

Cell, batteries, 2-2 to 2-4
Cells, types of, 2-8 to 2-13 batteries, 2-13
battery charging, 2-20, 2-21 battery construction, 2-16 to 2-18 battery maintenance, 2-18 to 2-20
hydrometer, 2-19
other maintenance, 2-19
safety precautions with batteries, 2-19 capacity and rating of batteries, 2-20, 2-21 combining cells, 2-13 to 2-15
primary dry, 2-8, 2-9 secondary wet, 2-11, 2-12
Charged bodies, electrostatics, 1-11
Charges, electrical, 1-26 to 1-31
Circuit terms and characteristics, 3-41 to 3-48 open circuit, 3-43, 3-44
power transfer and efficiency, 3-48 reference point, 3-41, 3-42
short circuit, 3-44, 3-45
source resistance, 3-46 to 3-48
Color code, simplifying, 1-45, 1-46
Combination-circuit problems, solving, 3-76 to 3-84
Combining cells, 2-13 to 2-15
series-connected cells, 2-13, 2-14 series-parallel-connected cells, 2-15 to 2-16
Composition of resistors, 1-41, 1-42
Conductors, semiconductors, and insulators, 1-8
Container, cell, batteries, 2-3
Coulomb’s Law of Charges, 1-12

Current, electric, 1-34, 1-35


D

Direct current, 3-1 to 3-126 basic electric circuit, 3-2
schematic representation, 3-2, 3-3 circuit terms and characteristics, 3-40
open circuit, 3-43, 3-44
Direct current—Continued
power transfer and efficiency, 3-48, 3-49
reference point, 3-48, 3-49 short circuit, 3-48 to 3-49 source resistance, 3-48 to 3-50
electrical safety, 3-108 to 3-111 danger signals, 3-108, 3-109 electrical fires, 3-109
equivalent circuit techniques, 3-107, 3-108 first aid for electric shock, 3-108, 3-109
Kirchhoff’s voltage law, 3-35 to 3-43 application, 3-35, 3-37
polarity of voltage, 3-34
Ohm’s law, 3-8 to 3-9 application, 3-5 to 3-9
graphical analysis of the basic circuit, 3-9 to 3-12
parallel d.c. circuits, 3-49 to 3-78
parallel circuit characteristics, 3-49 to 3-70
solving parallel circuit problems, 3-68 to 3-76
power, 3-11 to 3-17
power conversion and efficiency, 3-17 to 3-19
power rating, 3-16, 3-17 series d.c. circuits, 3-19 to 3-33
analysis, 3-28 to 3-33 characteristics, 3-19 summary, 3-28
series-parallel d.c. circuits, 3-76 to 3-84 effects of open and short circuits, 3-89 to 3-91
redrawing circuits for clarity, 3-86 to 3-90
solving combination-circuit problems, 3-76 to 3-84
summary, 3-110 to 3-121 voltage dividers, 3-91 to 3-107
multiple-load voltage dividers, 3-95 to 3-98
positive and negative voltage requirements, 3-100 to 3-103
power, 3-98, 3-99
practical application, 3-103 to 3-107

Directed drift electric current, 1-35 to 1-37
Domain Theory, magnetism, 1-18, 1-19


E

Electric circuit, basic, 3-2 schematic representation, 3-2

Electrical energy, 1-25, 1-26 conductance, 1-40

electric current, 1-34 to 1-37 directed drift, 1-35 to 1-37 magnitude of current flow, 1-36 measurement of current, 1-37 random drift, 1-34

electrical charges, 1-26, 1-27 electrical resistance, 1-37

factors that affect resistance, 1-37,

1-38

electrical resistors, 1-40 to 1-46 composition of resistors, 1-41, 1-42 fixed and variable resistors, 1-42 simplifying the color code, 1-45, 1-47 standard color code system, 1-43 to

1-47

wattage rating, 1-42

how voltage is produced, 1-27 to 1-34 by chemical action, 1-32, 1-33

by friction, 1-28 by heat, 1-29

by light, 1-30 to 1-32

by magnetism, 1-33, 1-34 by pressure, 1-28

Electrical safety, 3-108 to 3-111 danger signals, 3-107, 3-108 electrical fires, 3-108

Electrochemical action, 2-4 local action, 2-7 polarization of the cell, 2-7 primary cell chemistry, 2-8

secondary cell chemistry, 2-3, 2-4

Electrodes, cell, batteries, 2-2

Electrolyte, cell, batteries, 2-3

Electrostatics, 1-9

static electricity 1-10, 1-11 charged bodies, 1-11

Coulomb’s Law of Charges, 1-12 electric fields, 1-12, 1-13


Electrostatics—Continued nature of charges, 1-11


F

Ferromagnetic materials, 1-14

First aid for electric shock, 3-109, 3-110

Fixed and variable resistors, 1-42

Formulas, d.c. circuits, AV-1


G

Glossary, AI-I to AI-9


H

Hydrometer, battery, 2-19


K

Kirchhoff’s voltage law, 3-34 to 3-43 application, 3-35, 3-36

series aiding and opposing sources,

3-39 to 3-40 polarity of voltage, 3-34


L

Law of exponents, AII-1 to AII-3

Lead acid cell, 2-11

Lines of force, magnetic fields, 1-20 to 1-22


M

Magnetism, 1-13

care of magnets, 1-24 magnetic effects, 1-22

magnetic induction, 1-22, 1-23 magnetic shielding, 1-23 to 1-25

magnetic fields, 1-19, 1-20 lines of force, 1-20 to 1-22

magnetic materials, 1-14

artificial magnets, 1-14, 1-15 ferromagnetic materials, 1-14 natural magnets, 1-14

magnetic poles, 1-15 to 1-17

earth’s magnetic poles, 1-16, 1-17 law of, 1-16, 1-17


Magnetism—Continued magnetic shapes, 1-24

theories of magnetism, 1-17 to 1-19

Domain Theory, 1-18, 1-19

Weber’s Theory, 1-17, 1-18

Magnitude of current flow, 1-36

Matter, energy, and electricity, 1-2 to 1-71 conductors, semiconductors, and

insulators, 1-8

electrical energy, 1-25 to 1-38 conductance, 1-40

electric current, 1-34 to 1-37 electrical charges, 1-26 to 1-28 electrical resistance, 1-37 to 1-40 electrical resistors, 1-40 to 1-46

how voltage is produced, 1-27 to 1-34 electrostatics, 1-9

static electricity, 1-10, 1-11 magnetism, 1-13

care of magnets, 1-24 magnetic effects, 1-22 magnetic fields, 1-19, 1-20 magnetic materials, 1-14 magnetic poles, 1-15 to 1-17 magnetic shapes, 1-24

theories of magnetism, 1-17 to 1-19 matter, 1-3 to 1-8

atoms, 1-4 to 1-8 molecules, 1-3, 1-4

summary, 1-47 to 1-62

Measurement of current, 1-37

Mercuric-oxide zinc cell, 2-10, 2-11

Molecules, matter, 1-3, 1-4

Multiple-load voltage dividers, 3-95 to 3-98


N

Natural magnets, 1-14

Nickel-cadmium cell, 2-12, 2-13


O

Ohm’s law, 3-4 to 3-9 application, 3-5 to 3-9

graphical analysis of the basic circuit, 3-9,

3-12

Open circuit, 3-43, 3-44

P

Parallel d.c. circuits, 3-49 to 3-78 characteristics, 3-49 to 3-70

current, 3-51 to 3-60 equivalent circuits, 3-66, 3-70 power, 3-65 to 3-67

resistance, 3-58 to 3-64 rules, 3-68

 


voltage, 3-49 to 3-51

solving parallel circuit problems, 3-68 to

3-76

Polarization of the cell, 2-7, 2-8

 


Positive and negative voltage requirements,

 


3-100 to 3-103

Power, direct current, 3-11 to 3-19

 


power conversion and efficiency, 3-17 to

3-19

power rating, 3-16, 3-17

Power transfer and efficiency, circuit, 3-48,

3-49

Power, voltage dividers, 3-98, 3-99

 


Primary dry cell, 2-8

construction of a dry cell, 2-8, 2-9 mercuric-oxide zinc cell, 2-10, 2-11 other types, 2-11

Primary cell, batteries, 2-3

Primary cell, chemistry, 2-4, 2-5


R

Random drift electric current, 1-34

 


Reference Point, Circuit, 3-41, 3-42

 


Redrawing circuits for clarity, 3-84 to 3-88

Resistance, electrical, 1-37


S


Secondary wet cells, 2-11, 2-12 lead-acid cell, 2-11

nickel-cadmium cell, 2-12, 2-13 silver-cadmium cell, 2-12

silver-zinc cells, 2-12

Secondary cell, batteries, 2-3

 


Secondary cell chemistry, 2-5, 2-6

 


Series-connected cells, 2-13, 2-14

 


Series d.c. circuits, 3-19 to 3-33

 



Series d.c. circuits—Continued analysis, 3-28 to 3-33 characteristics, 3-19

 


current, 3-22, 3-23 power, 3-26 to 3-28 resistance, 3-20 to 3-22 voltage, 3-23 to 3-26

summary, 3-28

rules for series, 3-28

Series-parallel-connected cells, 2-14

 


Series-parallel d.c. circuits, 3-76 to 3-91 effects of open and short circuits, 3-89 to

3-91

redrawing circuits for clarity, 3-84 to 3-88 redrawing a complex circuit, 3-86 to

3-88

solving combination-circuit problems, 3-76 to 3-84

practice circuit problem, 3-81 to 3-84

 


Short circuit, 3-44, 3-45

Silver-cadmium cell, 2-12

Silver-zinc cells, 2-12

Source resistance, 3-46 to 3-48

 


Square and square roots, AIII-l, AIII-2

 


Standard color code system, 1-43 to 1-45



V


Voltage dividers, 3-91 to 3-107

multiple-load voltage dividers, 3-95 to

3-98

positive and negative voltage requirements, 3-100 to 3-103

power, 3-98, 3-99

practical application, 3-103 to 3-107

Voltage is produced, 1-27 to 1-34 by chemical action, 1-32, 1-33 by friction, 1-28, 1-29

by heat, 1-29

by light, 1-30 to 1-32

by magnetism, 1-33, 1-34 by pressure, 1-28


W

Wattage rating, 1-42

Weber’s Theory, magnetism, 1-17, 1-18
 

INDEX-1


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