GENERAL PHYSICS II
Comprehensive Master Study Guide &
Textbook
A Complete 25-Page Academic Compendium Covering Electrostatics, Electric
Fields, Gauss’s Law, Potential, Capacitance, Current, Resistance, Circuits,
and Magnetostatics
2026 Comprehensive Digital Edition
Fully Grounded in Course Lecture Notes & Quantitative Problem Sets
,Contents
1 Foundations of Electric Charge & Electrostatics 2
1.1 Historical Origins and Charge Fundamental Nature .....................................................................2
1.1.1 Subatomic Charge Properties and Structure of Matter .................................................. 2
1.2 Fundamental Principles of Charge Behavior.................................................................................. 2
1.2.1 Conservation of Charge.........................................................................................................2
1.2.2 Quantization of Charge ........................................................................................................ 3
1.3 Material Classifications and Charging Mechanisms ..................................................................... 3
1.3.1 Conductors, Insulators, and Semiconductors .....................................................................3
1.3.2 Methods of Charging .............................................................................................................3
1.3.3 Molecular Polarization .......................................................................................................... 4
2 Coulomb’s Law & Vector Force Superposition 5
2.1 Coulomb’s Law Formulation .......................................................................................................... 5
2.1.1 Fundamental Rules of Vector Forces ................................................................................. 5
2.2 Principle of Superposition for Vector Forces ................................................................................. 5
2.2.1 Vector Resolution in Two Dimensions ............................................................................... 6
2.3 Worked Example: 2D Multi-Charge Square System ................................................................... 6
2.3.1 Step-by-Step Solution Breakdown ...................................................................................... 6
3 Electric Field Theory & Vector Fields 8
3.1 Definition of the Electric Field ........................................................................................................ 8
3.1.1 Properties of Field Force Direction .................................................................................... 8
3.2 Electric Field of Point Charges........................................................................................................ 8
3.2.1 Source Point vs. Field Point Definitions............................................................................ 8
3.3 Electric Field Lines and Geometric Rules ..................................................................................... 9
3.4 Electric Dipoles and Torques........................................................................................................... 9
3.4.1 Dipole Orientations in Uniform Fields............................................................................... 9
4 Gauss’s Law & Electric Flux Mechanics 10
4.1 Concept of Electric Flux ................................................................................................................ 10
4.1.1 Geometric Orientations ...................................................................................................... 10
4.2 Gauss’s Law Formulation............................................................................................................... 10
4.3 Applications of Gauss’s Law to Symmetric Charge Distributions ............................................ 11
4.3.1 1. Point Charge / Concentric Spherical Shell ................................................................ 11
4.3.2 2. Infinite Line Charge / Cylindrical Symmetry ........................................................... 11
4.3.3 3. Infinite Non-Conducting Sheet of Charge................................................................... 11
4.3.4 4. Charged Solid Conductor in Electrostatic Equilibrium............................................ 11
5 Electric Potential & Conservation of Energy 12
5.1 Electric Potential Energy .............................................................................................................. 12
5.1.1 Energy Signs and Physics Interpretation ......................................................................... 12
5.2 Electric Potential and Voltage ..................................................................................................... 12
5.2.1 Potential Difference and Work-Energy Theorem............................................................ 13
1
, 5.2.2 The Electron-Volt Energy Unit ........................................................................................ 13
5.3 Conservation of Mechanical Energy .............................................................................................. 13
5.4 Worked Example: Positron Speed Near Alpha Particle ............................................................. 13
5.4.1 Step-by-Step Solution Breakdown .................................................................................... 13
6 Capacitance, Dielectrics & Energy Storage 14
6.1 Capacitor Fundamentals ................................................................................................................. 14
6.2 Parallel-Plate Capacitor Geometry ............................................................................................... 14
6.2.1 Interleaved Multi-Plate Capacitors ................................................................................... 15
6.3 Dielectrics and Electric Flux Density .......................................................................................... 15
6.4 Capacitor Network Combinations .................................................................................................. 15
6.4.1 Capacitors in Series ........................................................................................................... 15
6.4.2 Capacitors in Parallel ......................................................................................................... 15
6.5 Energy Stored in a Capacitor ....................................................................................................... 15
7 Current, Microscopic Conduction & Drift Velocity 16
7.1 Definition of Electric Current ........................................................................................................ 16
7.1.1 Conventional Current vs. Electron Motion .................................................................... 16
7.2 Microscopic Conduction Model and Drift Velocity ..................................................................... 16
7.3 Worked Example: Lamp Cord Drift Speed ................................................................................ 17
7.3.1 Step-by-Step Solution Breakdown .................................................................................... 17
8 Resistivity, Resistance & Temperature Effects 18
8.1 Resistivity and Ohm’s Law ........................................................................................................... 18
8.2 Electrical Resistance ....................................................................................................................... 18
8.3 Temperature Dependence of Resistance ....................................................................................... 19
9 Electromotive Force, Real Sources & Circuits 20
9.1 Electromotive Force (EMF) ............................................................................................................ 20
9.2 Real Power Sources and Internal Resistance ............................................................................... 20
9.2.1 Diagnostic Instruments ...................................................................................................... 20
10 Magnetostatics & Magnetic Fields 21
10.1 Magnetostatic Fundamentals ......................................................................................................... 21
10.2 Governing Magnetostatic Equations ............................................................................................. 21
11 Master Formula & Constant Cheat Sheet 22
12 Active Recall Drills & Final Review 23
12.1 Conceptual Self-Test Questions ..................................................................................................... 23
Page 2
Comprehensive Master Study Guide &
Textbook
A Complete 25-Page Academic Compendium Covering Electrostatics, Electric
Fields, Gauss’s Law, Potential, Capacitance, Current, Resistance, Circuits,
and Magnetostatics
2026 Comprehensive Digital Edition
Fully Grounded in Course Lecture Notes & Quantitative Problem Sets
,Contents
1 Foundations of Electric Charge & Electrostatics 2
1.1 Historical Origins and Charge Fundamental Nature .....................................................................2
1.1.1 Subatomic Charge Properties and Structure of Matter .................................................. 2
1.2 Fundamental Principles of Charge Behavior.................................................................................. 2
1.2.1 Conservation of Charge.........................................................................................................2
1.2.2 Quantization of Charge ........................................................................................................ 3
1.3 Material Classifications and Charging Mechanisms ..................................................................... 3
1.3.1 Conductors, Insulators, and Semiconductors .....................................................................3
1.3.2 Methods of Charging .............................................................................................................3
1.3.3 Molecular Polarization .......................................................................................................... 4
2 Coulomb’s Law & Vector Force Superposition 5
2.1 Coulomb’s Law Formulation .......................................................................................................... 5
2.1.1 Fundamental Rules of Vector Forces ................................................................................. 5
2.2 Principle of Superposition for Vector Forces ................................................................................. 5
2.2.1 Vector Resolution in Two Dimensions ............................................................................... 6
2.3 Worked Example: 2D Multi-Charge Square System ................................................................... 6
2.3.1 Step-by-Step Solution Breakdown ...................................................................................... 6
3 Electric Field Theory & Vector Fields 8
3.1 Definition of the Electric Field ........................................................................................................ 8
3.1.1 Properties of Field Force Direction .................................................................................... 8
3.2 Electric Field of Point Charges........................................................................................................ 8
3.2.1 Source Point vs. Field Point Definitions............................................................................ 8
3.3 Electric Field Lines and Geometric Rules ..................................................................................... 9
3.4 Electric Dipoles and Torques........................................................................................................... 9
3.4.1 Dipole Orientations in Uniform Fields............................................................................... 9
4 Gauss’s Law & Electric Flux Mechanics 10
4.1 Concept of Electric Flux ................................................................................................................ 10
4.1.1 Geometric Orientations ...................................................................................................... 10
4.2 Gauss’s Law Formulation............................................................................................................... 10
4.3 Applications of Gauss’s Law to Symmetric Charge Distributions ............................................ 11
4.3.1 1. Point Charge / Concentric Spherical Shell ................................................................ 11
4.3.2 2. Infinite Line Charge / Cylindrical Symmetry ........................................................... 11
4.3.3 3. Infinite Non-Conducting Sheet of Charge................................................................... 11
4.3.4 4. Charged Solid Conductor in Electrostatic Equilibrium............................................ 11
5 Electric Potential & Conservation of Energy 12
5.1 Electric Potential Energy .............................................................................................................. 12
5.1.1 Energy Signs and Physics Interpretation ......................................................................... 12
5.2 Electric Potential and Voltage ..................................................................................................... 12
5.2.1 Potential Difference and Work-Energy Theorem............................................................ 13
1
, 5.2.2 The Electron-Volt Energy Unit ........................................................................................ 13
5.3 Conservation of Mechanical Energy .............................................................................................. 13
5.4 Worked Example: Positron Speed Near Alpha Particle ............................................................. 13
5.4.1 Step-by-Step Solution Breakdown .................................................................................... 13
6 Capacitance, Dielectrics & Energy Storage 14
6.1 Capacitor Fundamentals ................................................................................................................. 14
6.2 Parallel-Plate Capacitor Geometry ............................................................................................... 14
6.2.1 Interleaved Multi-Plate Capacitors ................................................................................... 15
6.3 Dielectrics and Electric Flux Density .......................................................................................... 15
6.4 Capacitor Network Combinations .................................................................................................. 15
6.4.1 Capacitors in Series ........................................................................................................... 15
6.4.2 Capacitors in Parallel ......................................................................................................... 15
6.5 Energy Stored in a Capacitor ....................................................................................................... 15
7 Current, Microscopic Conduction & Drift Velocity 16
7.1 Definition of Electric Current ........................................................................................................ 16
7.1.1 Conventional Current vs. Electron Motion .................................................................... 16
7.2 Microscopic Conduction Model and Drift Velocity ..................................................................... 16
7.3 Worked Example: Lamp Cord Drift Speed ................................................................................ 17
7.3.1 Step-by-Step Solution Breakdown .................................................................................... 17
8 Resistivity, Resistance & Temperature Effects 18
8.1 Resistivity and Ohm’s Law ........................................................................................................... 18
8.2 Electrical Resistance ....................................................................................................................... 18
8.3 Temperature Dependence of Resistance ....................................................................................... 19
9 Electromotive Force, Real Sources & Circuits 20
9.1 Electromotive Force (EMF) ............................................................................................................ 20
9.2 Real Power Sources and Internal Resistance ............................................................................... 20
9.2.1 Diagnostic Instruments ...................................................................................................... 20
10 Magnetostatics & Magnetic Fields 21
10.1 Magnetostatic Fundamentals ......................................................................................................... 21
10.2 Governing Magnetostatic Equations ............................................................................................. 21
11 Master Formula & Constant Cheat Sheet 22
12 Active Recall Drills & Final Review 23
12.1 Conceptual Self-Test Questions ..................................................................................................... 23
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