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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Class 12 Physics (India): Transistor current and parameters
Let's explore the names of the currents through the transistor, find the connection between them and talk about transistor parameters. Thes…
VideoFree10
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Electrical engineering: 5 volt power distribution board
In this video we hack apart a bread board to create a 5 volt power distribution strip. The 5 volts comes from the center pin in the motor c…
VideoFree5 minutes
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Health and medicine: Autonomic nervous system effects on the heart
Carefully go through each of the four major effects that the sympathetic and parasympathetic system has on your heart: Chronotropy, Dromotr…
VideoFree6 minutes
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Class 11 Physics (India): Total displacement for projectile
Reconstructing the total displacement vector for a projectile Class 11 Physics (India) Let's learn, practice, and master topics of class 11…
VideoFree14 minutes
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Class 11 Physics (India): Acceleration of aircraft carrier take-off
Using what we know about take-off velocity and runway length to determine acceleration Class 11 Physics (India) Let's learn, practice, and …
VideoFree14 minutes
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Chemistry: Standard reduction potentials
How to use a table of standard reduction potentials to calculate standard cell potential. Identifying trends in oxidizing and reducing agen…
VideoFree9 minutes
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Class 11 Physics (India): Reverse power rule
Can you find a function whose derivative is x^n? Class 11 Physics (India) Let's learn, practice, and master topics of class 11 physics (NCE…
VideoFree6
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Health and medicine: Tetralogy of fallot
Health and medicine The medical world can be a confusing place. Patients, their families, and even students entering health fields might fe…
VideoFree11 minutes
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Health and medicine: What is tertiary syphilis?
Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-p…
VideoFree9 minutes
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Class 11 Physics (India) - Hindi: Angular momentum (Hindi)
Introducing angular momentum conceptually starting from linear momentum. Also covers some real-life examples. Class 11 Physics (India) - Hi…
VideoFree8
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Class 11 Physics (India): Phase constant
In this video David explains how a phase constant can be used in order to shift the graph of an oscillator left or right. Class 11 Physics …
VideoFree9 minutes
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Organic chemistry: Alkane and cycloalkane nomenclature I
Using IUPAC rules to name linear, branched, and cyclic hydrocarbons Organic chemistry Sal and Jay cover topics covered in college organic c…
VideoFree13 minutes
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Health and medicine: Anatomy of the male reproductive system
Health and medicine The medical world can be a confusing place. Patients, their families, and even students entering health fields might fe…
VideoFree10 minutes
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Electrical engineering: Lead Lag
Sine and cosine look similar, except they are out of phase. When we talk about sine and cosine as a function of time, the difference is cal…
VideoFree7 minutes
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Class 11 Physics (India) - Hindi: Beat frequency (Hindi)
Ram explains what beat frequency means, how to find it, and solves a sample problem involving beat frequency. Class 11 Physics (India) - Hi…
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