Basic Math

1. Adding 1 and 2 digit number

2. Adding 3 and 4 digit number

3. Subtracting 1 and 2 digit number

4. Subtracting 3 and 4 digit number

5. Introduction to multiplication

6. Multiply by 1s

7. Multiply by 2s

8. Multiply by 3s

9. Multiply by 4s

10. Multiply by 5s

11. Multiply by 6s

12. Multiply by 7s

13. Multiply by 8s

14. Multiply by 9s

15. Multiply by 10s

16. Multiply by 11s

17. Multiply by 12s

18. Multiplication Problems

19. Division with no remainder

20. Division with a remainder

21. Dividing 2, 3, and 4 digit numbers with remainder

22. Simplifying Fractions

23. Adding and Subtracting Fractions

24. Adding and Subtracting Fractions and Finding the Common Denominator

25. Multiplying Fractions

26. Dividing Fractions

27. Decimal Place Value

28. Adding, Subtracting, and Multiplying Decimals

29. Dividing Decimals

30. Percents

31. Ratio and Proportion

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Algebra Word Problems

1. Number Problems

2. Digit Problems

3. Problems Involving Averages

4. Coin and Money Problems

5. Age Problems

6. Problems Involving Speed, Distance and Time

7. Mixture Problems

8. Interest Problems

9. Lever Problems

10. Work Problems

11. Problems Involving Quadratic Equations 

12. Problem Involving Geometry

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Algebra Two

1. Graphing Equations

2. The Slope of a Line

3. Writing Equations of Lines

4. Graphing Inequalities

5. Solving Systems of Equations by Graphing

6. Solving Systems of Equations by Substitution

7. Solving Systems of Equations by Addition

8. Solving Systems of Equations in Three Variables

9. Simplifying Radical Expressions

10. Adding and Subtracting Radical Expressions

11. Multiplying and Dividing Radical Expressions

12. Solving Equation Containing Radicals

13. Fractional Exponents

14. Solving Polynomial Equations

15. The Quadratic Formula

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Cosmology - The History and Nature of Our Universe

1. The Journey Ahead

2. Denizens of the Universe

3. Overall Cosmic Properties

4. The Stuff of the Universe

5. The Sweep of Cosmic History

6. Measuring Distances

7. Expansion and Age

8. Distances Appearances, and Horizons

9. Dark Matter and Dark Energy

10. Cosmic Geometry: Triangles in the Sky

11. Cosmic Expansion: Keeping Track of Energy

12. Cosmic Acceleration: Falling Outward

13. The Cosmic Microwave Background

14. Conditions during the First Million Years

15. Primordial Sound: Big Bang Acoustics

16. Using Sound as Cosmic Diagnostic

17. Primordial Roughness: Seeding Structure

18. The Dark Age: From Sound to the First Stars

19. Infant Galaxies

20. From Child to Maturity: Galaxy Evolution

21. Giant Black Holes - Construction and Carnage

22. The Galaxy Web - A Relic of Primordial Sound

23. Atom Factories - Stellar Interiors

24. Understanding Element Abundances

25. Light Elements Made in the Big Bang

26. Putting It Together: The Concordance Model

27. Physics at Ultrahigh Temperatures

28. Back to a Microsecond: The Particle Cascade

29. Back to the GUT: Matter and Forces Emerge

30. Puzzling Problems Remain

31. Inflation Provides the Solution

32. The Quantum Origin of All Structure

33. Inflation's Stunning Creativity

34. Fine Tuning and Anthropic Arguments

35. What's Next for Cosmology?

36. A Comprehensible Universe?

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Thermodynamics

Thermometers and Temperature Scales

Expansion and Contraction of Solids and Liquid

Kinetic Theory of Gases

Heat

Latent Heat and Phase Change

Heat Transfer

Work, Heat, and PV Diagrams

First Law of Thermodynamics

Heat Engines and the Second Law of Thermodynamics

Refrigerators

Entropy

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Physics 3 Electricity and Magnetism

The Capacitor

Capacitor Problems

Capacitors in Circuits, Part 1

Capacitors in Circuits, Part 2

Energy Storage in a Capacitor

Capacitors with a Dielectric Part 1

Capacitors with a Dielectric Part 2

Electric Current and Current Density Part 1

Electric Current and Current Density Part 2

The Magnetic Field

Magnetic Force on a Charged Particle Part 1

Magnetic Force on a Charged Particle Part 2

Equations of an Orbiting Charge in a Magnetic Field

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Introduction to Power Electronics - Switch Realization

This video lecture talks about the realization of switches in power converters using semiconductor devices such as power transistors and diodes.

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