Electricity Fundamentals: Atoms, Electrons, and Current | Audiobook

Explore the building blocks of electricity and electronics, from matter and atomic structure to electron energy, free electrons, and electric current. This audiobook-style presentation introduces conductors, insulators, semiconductors, ions, and common metric prefixes used in electrical calculations. Useful for learners beginning to study electricity, electronics, or aviation maintenance concepts. This is an independent presentation and is not produced, sponsored, endorsed, or published by the source's author, publisher, government agency, or organization. Source attribution: Chapter 12, “Fundamentals of Electricity & Electronics,” from the FAA's *Aviation Maintenance Technician Handbook—General (30B)*. 00:00 Introduction 02:29 Atom 06:19 Valence Electrons 09:17 Metric Based Prefixes Used for Electrical Calculations 13:26 Electrostatic Field 17:34 Magnetism 25:53 Types of Magnets 33:49 Conventional Flow & Electron Flow 37:37 Current 39:57 Ohm's Law (Resistance) 43:49 Resistance of a Conductor 45:10 Factors Affecting Resistance 48:21 Resistance and Relation to Wire Sizing 50:38 Rectangular Conductors (Bus Bars) 53:58 Power in a Series & Parallel Circuit 56:11 Chemical Source 1:00:14 Types of Resistors 1:02:38 Color Band Decoding 1:05:53 Wire-Wound 1:07:33 Potentiometer 1:10:47 Circuit Protection Devices 1:14:55 Arc Fault Circuit Breaker 1:18:13 Double-Pole, Double-Throw (DPDT) 1:20:28 Lighted Pushbutton Switches 1:23:36 Series DC Circuits 1:27:30 Voltage Sources in Series 1:30:31 Voltage Dividers 1:33:57 Determining the Voltage Divider Formula 1:37:03 Resistors in Parallel 1:39:32 Current Dividers 1:44:01 2. Capacitive reactance 1:46:38 Generators of Alternating Current 1:48:49 Position 4 1:52:51 Out of Phase Condition 1:55:09 Effective Value 1:59:06 The Resistor/Capacitor (RC) Time Constant 2:03:16 Types of Capacitors 2:06:49 Tantalum 2:10:00 Capacitors in Parallel 2:13:11 Sample Problem: 2:15:08 Inductance 2:17:40 The RL Time Constant 2:20:24 Types of Inductors 2:24:46 Series AC Circuits 2:27:14 Solution: 2:30:22 Resonance 2:34:27 Solution: 2:41:34 Current Transformers 2:45:28 D'Arsonval Meter Movement 2:49:46 Precautions 2:52:13 Voltmeter Sensitivity 2:55:14 Ohmmeter Scale 2:56:52 The Multirange Ohmmeter 3:00:54 AC Measuring Instruments 3:03:08 Moving Iron Vane Meter 3:05:51 Inclined Coil Iron Vane Meter 3:08:39 Frequency Measurement/Oscilloscope 3:12:09 Control Features on an Oscilloscope 3:14:28 Flat Panel Color Displays for Oscilloscopes 3:17:13 Voltage Measurement 3:19:07 Checking Resistance in a Circuit 3:22:12 Inductance Measurement 3:25:05 Tracing Opens with the Ohmmeter 3:28:27 Tracing Shorts with the Ohmmeter 3:30:53 Tracing an Open with an Ammeter 3:34:10 Tracing Opens with the Voltmeter 3:36:17 Secondary Cell 3:40:56 Battery Ratings 3:43:22 Lead-Acid Battery Testing Methods 3:46:41 Lead-Acid Battery Charging Methods 3:50:17 Operation of Nickel-Cadmium Cells 3:53:24 Sealed Lead Acid (SLA) Batteries 3:55:36 Lithium-lon Batteries 3:57:53 Permanent Magnet Rotary Inverter 4:01:26 Static Inverters 4:04:12 Semiconductors 4:08:07 PN Junctions & the Basic Diode 4:10:29 Forward Biased Diode 4:13:28 Rectifiers 4:15:35 Full-Wave Rectifier 4:19:51 Special Purpose Diodes 4:22:27 Schottky Diodes 4:24:50 Transistor Theory 4:28:54 PNP Transistor Operation 4:31:58 Metal-Oxide-Semiconductor FET (MOSFET) 4:35:45 Common-Base (CB) Configuration 4:38:50 Filtering 4:43:11 Basic LC Filters 4:46:07 Band-Stop Filter 4:48:59 Classification 4:52:30 Methods of Coupling 4:55:59 Operational Amplifiers (OP AMP) 4:58:26 4. No warm-up time 5:02:05 Logic Circuits 5:04:05 Logic Polarity 5:06:38 Basic Logic Circuits 5:10:08 The NAND Gate 5:13:57 DC Generators 5:17:34 Generation of a DC Voltage 5:21:36 Construction Features of Dc Generators 5:25:53 Commutators 5:29:37 Compensating Windings 5:32:22 Shunt Wound DC Generators 5:34:33 Compound Wound DC Generators 5:37:25 Generator Ratings 5:39:46 Condition of Generator Brushes 5:43:39 DC Motors 5:46:39 Developing Torque 5:48:46 Basic DC Motor 5:51:26 Position C 5:53:49 Field Assembly 5:57:00 Compound DC Motor 6:00:50 Reversing Motor Direction 6:02:47 Motor Speed 6:06:31 Inspection and Maintenance of DC Motors 6:09:51 AC Motors 6:11:18 Types of AC Motors 6:14:21 Construction of Induction Motor 6:18:01 Shaded Pole Induction Motor 6:20:20 Split-Phase Motor 6:22:44 Synchronous Motor 6:26:32 AC Series Motr 6:30:05 Maintenance of AC Motors 6:31:46 Method of Excitation 6:34:41 Single-Phase Alternator 6:37:45 Wye Connection (Three-Phase) 6:40:23 Brushless Alternator 6:43:25 Alternator Frequency 6:46:15 Alternator Maintenance 6:49:08 Regulation of Generator Voltage 6:51:30 Three Unit Regulators 6:56:48 Differential Relay Switch 6:59:55 Overvoltage & Field Control Relays 7:02:45 Over-Excitation Protection 7:06:10 Hydraulic Transmission 7:12:44 procedure is reversed. 7:16:55 so the load is more evenly distributed. 7:21:03 Alternator Transistorized Regulators 7:24:52 be excited.