Khan Academy: 2757 products
Khan Academy is an organization on a mission. We're a not-for-profit with the goal of changing education for the better by providing a free world-class education for anyone anywhere.
All of the site's resources are available to anyone. It doesn't matter if you are a student, teacher, home-schooler, principal, adult returning to the classroom after 20 years, or a friendly alien just trying to get …
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Electrical engineering: AC analysis intro 1
Solving circuits with differential equations is hard. If we limit ourselves to sinusoidal input signals, a whole new method of AC analysis …
VideoFree7 minutes
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Electrical engineering: Robot construction
Basic construction to get started Electrical engineering Learn about electricity, circuit theory, and introductory electronics. We also hav…
VideoFree1 minute
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Class 11 Physics (India): Angular momentum of an extended object
In this video David derives and shows how to use the formula for the angular momentum of an extended object. Class 11 Physics (India) Let's…
VideoFree10 minutes
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Electrical engineering: Power connector for the Arduino
In this video we show you how to create a power connector for your arduino. Electrical engineering Learn about electricity, circuit theory,…
VideoFree3 minutes
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AP®︎ Chemistry: Group trend for ionization energy
Explaining trend in ionization energy down a group using concepts of nuclear charge, electron shielding, and distance of electrons from nuc…
VideoFree10 minutes
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Class 11 Physics (India): Derivative & the direction of a function
Sal analyzes various graphs to find intervals where the derivative of the graphed function is positive or negative. Class 11 Physics (India…
VideoFree3
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Health and medicine: Ablation
Health and medicine The medical world can be a confusing place. Patients, their families, and even students entering health fields might fe…
VideoFree7 minutes
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Health and medicine: Asthma longterm treatment
Health and medicine The medical world can be a confusing place. Patients, their families, and even students entering health fields might fe…
VideoFree7 minutes
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Class 11 Physics (India): Introduction to limits (old)
An older video of Sal introducing the notion of a limit. Class 11 Physics (India) Let's learn, practice, and master topics of class 11 phys…
VideoFree8
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Class 12 Physics (India): Magnifying power of telescope
Let's figure out the magnifying power (magnification) of our telescope. Class 12 Physics (India) It is now time to dive deeper into the wor…
VideoFree7
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Health and medicine: The basal ganglia - Details of the indirect pathway
Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-p…
VideoFree8 minutes
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Health and medicine: Hypertrophic cardiomyopathy: Pathophysiology and diagnosis
Health and medicine The medical world can be a confusing place. Patients, their families, and even students entering health fields might fe…
VideoFree13 minutes
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Health and medicine: Putting it all together - Pathophysiology of Parkinson's disease
Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-p…
VideoFree6 minutes
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Class 11 Physics (India): Antiderivatives and indefinite integrals
What's the opposite of a derivative? It's something called the "indefinite integral". Class 11 Physics (India) Let's learn, practice, and m…
VideoFree4
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Electrical engineering: Virtual ground
The idea of a "virtual ground" makes some simplifying assumptions, giving us an elegant and simple way to look at op-amp circuits. Electric…
VideoFree6 minutes