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 11 Physics (India) - Hindi: Rolling without slipping (Hindi)
Ram explains how to solve problems where an object rolls without slipping. Class 11 Physics (India) - Hindi To help students who prefer to …
VideoFree18
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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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Class 12 Physics (India): Young's double slit equation
Let's derive a formula that relates all the variables in Young's double slit experiment Class 12 Physics (India) It is now time to dive dee…
VideoFree7 minutes
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Electrical engineering: DLab: Inspired by sumo robots
Inspiration from Khan Academy's Discovery Lab Electrical engineering Learn about electricity, circuit theory, and introductory electronics.…
VideoFree2 minutes
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Physics: Magnetic permeability
What happens to the magnetic field of a magnet in the presence of a another material which is attracted to it. Why does this happen? Physic…
VideoFree2 minutes
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Electrical engineering: Demo: coin detector
demonstration of a simple coin detector Electrical engineering Learn about electricity, circuit theory, and introductory electronics. We al…
VideoFree1 minute
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Electrical engineering: Impedance of simple networks
Impedance of 2 elements in series is a complex number. Impedance terminology: reactance, susceptance, admittance. Electrical engineering Le…
VideoFree12 minutes
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Electrical engineering: Integral of sin(mt) and cos(mt)
Integrating sin(mt) and cos(mt) over a full period equals zero. Electrical engineering Learn about electricity, circuit theory, and introdu…
VideoFree6 minutes
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Electrical engineering: Ben Eater's Spider
In this video Karl talks to Ben Eater about his improvements to the Spider bot platform. Electrical engineering Learn about electricity, ci…
VideoFree3 minutes
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Physics: Introduction to special relativity and Minkowski spacetime diagrams
Including multiple observers in the "most obvious" way led to some problems. Let's see how we can start to solve those problems by introduc…
VideoFree14 minutes
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Class 11 Physics (India): Formal definition of limits Part 1: intuition review
A quick reminder of what limits are, to set up for the formal definition of a limit. Class 11 Physics (India) Let's learn, practice, and ma…
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Class 11 Physics (India) - Hindi: Doppler effect formula for observed frequency (Hindi)
Let's derive the formula for how the perceived frequency of a sound changes when its source is moving toward you. Class 11 Physics (India) …
VideoFree9
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Electrical engineering: Spider's motor controller
In this video we show you how to connect and wire Spider's motor controller. Electrical engineering Learn about electricity, circuit theory…
VideoFree3 minutes
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Class 11 Physics (India): Components of vectors (example 2)
Sal figures out which vectors have the same x-component given the graphs of 4 different vectors. Class 11 Physics (India) Let's learn, prac…
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Class 11 Physics (India): Worked examples: Finding definite integrals using algebraic properties
Sal evaluates definite integrals of functions given their graphs. He does so using various properties of integrals. Class 11 Physics (India…
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