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Basic Electricity II
Welcome to Basic Electricity II
Welcome Video... What this course is about (5:44)
Course Syllabus
How this class works QUIZ
UNIT #13
Intro & Overview (5:32)
Magnetism Creates Electricity (9:50)
Electricity Creates Magnetism (8:09)
Understanding the Magnetic Field (10:02)
Why is a Coil So Special? (12:04)
Flemings Left Hand Generator Rule (8:45)
The Magnetic Field in a Coil (10:37)
Lenz Law Introduced (7:39)
Comparing Current in a Resistor to an Inductor (9:47)
Rise Time of Current in an Inductor (9:49)
A Closer Look at the Exponential Curve (8:54)
What is Inductance? (13:45)
Solving the RL Time Constant (8:34)
Summary of Unit 13 (6:21)
UNIT #13- QUIZ
Quiz from Video Lesson
Quiz from Book Reading - Unit #13
UNIT #14- BASIC TRIGONOMETRY & VECTORS
Introduction to Trigonometry (5:07)
Squaring and Square Rooting (7:35)
Squaring and Square Rooting Continued (9:00)
How to Square Root with your Calculator (9:57)
Pythagorean Theory- The Formula (9:44)
Pythagorean Theory (Continued) (11:04)
Practicing Pythagorean Theory Formulas (11:04)
SINE, COSINE & TANGENT Introduced (11:11)
Trigonometry Functions (Continued) (12:03)
Determining the Angle Based on the Function Type (9:51)
Getting the Angle- Practice (10:59)
More Practice on Functions (7:43)
Introduction to Other Formulas (14:03)
Other Formulas (Continued) (8:47)
Practice, Practice, Practice (9:56)
Introduction to Vector Sum Addition (12:18)
Summary & Review (3:41)
UNIT #14- QUIZ
Quiz from Video Lesson
Quiz from Book Reading - Unit #14
UNIT #15- ALTERNATING CURRENT
Intro to A.C. (6:47)
A.C. Wave Forms (11:58)
Sine Waves Introduced (9:24)
Understanding the Construction of a Motor/Generator (10:56)
Peak & Instantaneous Voltages Introduced (8:48)
Peak to Peak Voltage & Practice (10:44)
Determining the Angle of Instantaneous Voltage (10:58)
Introduction to R.M.S. Values (9:47)
Understanding the Need for R.M.S. Voltage Values (9:10)
Calculating R.M.S. and Peak Voltages (7:17)
Average Values & Bridge Rectifiers Introduced (8:22)
Calculating Average Voltages (7:52)
Conversions... Practice, Practice, Practice (6:47)
Resistive Loads- Voltage/Current Relationships (11:52)
Summary (7:22)
UNIT #15- QUIZ
Quiz from Video Lesson
Quiz from Book Reading - Unit #15
UNIT #16- INDUCTANCE IN AC CIRCUITS
Intro to Inductance (6:44)
Review of the Effects of Magnetism and Electricity (4:58)
Basic Characteristics of Induction Introduced (11:55)
Characteristics (Continued) (9:01)
Understanding the Effects of the Expanding/Collapsing Magnetic Field (8:26)
"The" Video... Yes, We Will Watch It now (7:05)
The Collapsing Magnetic Field (10:33)
What is Inductance? (10:05)
What are the Factors of Inductance? (9:20)
Understanding Why Inductance Changes Based on Physical Characteristics of the Coil (10:34)
Summary of Inductance (3:17)
Inductive Reactance Introduced (10:18)
What Causes Inductive Reactance to Change? (9:48)
Recap on Inductive Reactance (7:49)
Series and Parallel Circuits Rule REVIEW (10:22)
Solving for Total Inductance (10:46)
Voltage and Current Relationships in a Purely Inductive Circuit (7:26)
Power in and Inductive Circuit (6:13)
Reactive Power- VARS(L) (7:14)
Practice Formulas (11:38)
Review (8:37)
BONUS MATH (7:02)
UNIT #16- QUIZ
Quiz from Video Lesson
Quiz from Book Reading - Unit #16
UNIT #17- RESISTIVE-INDUCTIVE (SERIES CIRCUITS)
Introduction to RL Circuits (11:47)
New Terms and Values (5:21)
RL Series- Voltage & Current Relationship (10:05)
What is Impedance? (14:02)
Apparent Power (VA) Defined (11:00)
Power Factor (PF) Introduced (7:03)
Correction About Future Videos- Power Factor is the COSINE of Angle Theta (3:48)
Angle Theta Defined (11:48)
How to Solve Around a Circuit (10:19)
Solving Around a Circuit Continued (13:30)
Notice the Right Angle Relationships? (11:27)
Right Angle Relationships Continued (7:33)
Practice Problem #1 (Book problem #1) (9:50)
Practice Problem #1 (Continued) (9:49)
Practice Problem #2 (Problem #4 in the book) (12:38)
Alternative Method to the Appendix (7:00)
Practice Problem #2 (Continued) (13:06)
Principles in Review (13:03)
Practice Problem #3 (Problem #2 in the book) (10:24)
Practice Problem #4 (Problem #3 in the book) (16:52)
Review and Summary (2:49)
UNIT #17- QUIZ
Quiz from Video Lesson
Quiz from Book Reading - Unit #17
UNIT #18- RESISTIVE-INDUCTIVE (PARALLEL CIRCUITS)
Intro to RL Parallel Circuits (6:04)
The Universal Rule Still Applies (3:26)
Relationships of Resistors to Inductors... The Current (8:44)
Example Circuit Introduced (5:02)
Solving the Example Circuit (15:21)
Examining the Example Circuit (7:36)
Analyzing the "Z" in a Parallel Circuit... Why Not Product over Sum? (14:10)
"Z" Formulas Revisted (5:51)
How to Set Up for Word Problem (7:33)
Practice Problem #1 (11:48)
Practice Problem #1 (Continued) (11:57)
Practice Problem #2 (11:01)
Practice Problem #3 (11:35)
Summary and Review (4:08)
UNIT #18- QUIZ
Quiz from Book Reading - Unit #18
UNIT #19- CAPACITORS
Overview (5:29)
What is a Capacitor? (6:53)
Remember the Law of Charges (8:49)
How a Capacitor Functions (12:30)
Video #1- Capacitors Explained (11:11)
Video #2- In Depth View of Capacitor Function (13:30)
Review of Capacitor Functionality (5:30)
Understanding How a Capacitor Resists a Change of Voltage (11:48)
C.E.M.F. --- Impressed Voltage (5:22)
What is Capacitance? (8:33)
Factors that Determine Capacitance (8:18)
Factors that Determine Capacitance (Continued) (5:41)
Dielectric Stress- What is it? (10:20)
Dielectric Constants (4:43)
Understanding Current Flow (9:39)
Farads and Microfarads (11:24)
Calculating for Total Capacitance (7:52)
Practice- Solving for Totals (9:20)
Charge and Discharge Rates (8:23)
Calculating a Time Constant (9:08)
What is Power Factor Correction? (11:41)
Construction Types (8:49)
VIDEO #3- Capacitor Construction (7:40)
Capacitor Markings (9:53)
Summary and Review (6:16)
UNIT #19- QUIZ
Quiz from Video Lesson
Quiz from Book Reading - Unit #19
UNIT #20- CAPACITANCE IN AC CIRCUITS
Intro & Overview (10:28)
"Apparent" Current Flow In an AC Circuit (11:17)
Capacitive Reactance Introduced (6:47)
Comparison of Reactances (XC vs. XL) (9:46)
Practice- Solving for Capacitance (C) & Capacitive Reactance (XC) (12:43)
Relationship of Voltage & Current in a Capacitive Circuit (10:57)
Reactive Power (VARS-C) (8:30)
Quality (Q) and Voltage Ratings (6:37)
Effects of Frequency in a Capacitive Circuit (13:51)
Example Circuit- PART 1 (8:29)
Example Circuit- PART 2 (8:56)
Example Circuit- PART 3 (8:55)
Example Circuit- PART 4 (8:02)
Summary & Review (6:04)
UNIT #20- QUIZ
Quiz from Video Lesson
Quiz from Book Reading - Unit #20
UNIT #21- RESISTIVE-CAPACITIVE (SERIES CIRCUITS)
Intro and Overview (7:51)
This Chapter in a Glance (9:55)
Example Circuit- PART 1 (8:49)
Example Circuit- PART 2 (12:45)
Right Angle Relationships Reviewed (6:48)
Setting up a Word Problem (8:06)
Practice Problem 1 (11:50)
Practice Problem 2 (11:05)
CORRECTION ABOUT ANGLE THETA!!!! (3:38)
Practice Problem 3- PART 1 (13:29)
Practice Problem 3- PART 2 (3:27)
Practice Problem 4- (13:19)
Summary & Review (5:37)
UNIT #21- QUIZ
Quiz from Video Lesson
Quiz from Book Reading - Unit #21
UNIT #22- RESISTIVE CAPACITIVE (PARALLEL CIRCUITS)
Intro and Overview (7:50)
Solving for "Z"- A Closer Look (14:05)
Solving Example 1 (14:38)
Solving Example Circuit 2 (14:57)
A Note on the Effects of Rounding (3:38)
Summary and Review (2:58)
UNIT #22- QUIZ
Quiz from Video Lesson
Quiz from Book Reading - Unit #22
UNIT #23- RESISTIVE-INDUCTIVE-CAPACTIVE (SERIES CIRCUITS)
A Glance Back at Circuit Types So Far (12:48)
Overview (5:50)
Voltage & Current Relationships (13:58)
Voltage & Current Relationships Summarized (4:15)
Example Circuit #1- PART ONE (14:01)
Example Circuit #1- PART TWO (6:12)
Example Circuit #2- PART ONE (10:08)
Example Circuit #2- PART TWO (6:35)
Remember the Effects of Frequency? (8:55)
Calculating Resonant Frequency (10:48)
Practice Problem #1 (11:16)
Summary & Review (8:04)
UNIT #23- QUIZ
Quiz from Video Lesson
Quiz from Book Reading - Unit #23
UNIT #24- RESISTIVE-INDUCTIVE-CAPACITIVE (PARALLEL CIRCUITS)
Overview of the Chapter (5:26)
Voltage & Current Relationships (9:09)
Example Circuit #1- PART ONE (11:41)
Example Circuit #1- PART TWO (11:03)
Example Circuit #2- Solving for "Z" (15:31)
"Z" Formulas Revisted again (8:41)
Resonance in Parallel Circuits (8:05)
Power Factor Correction Introduced (7:22)
Steps to Power Factor Correction Laid Out (14:55)
Power Factor Correction- Steps Reviewed (5:45)
Power Factor Correction- Example Circuit (10:22)
Summary and Review of Chapter 24 (3:38)
A Final Word (5:48)
UNIT #24- QUIZ
Quiz from Video Lesson
Quiz from Book Reading - Unit #24
Time to schedule your proctored exam
Rise Time of Current in an Inductor
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