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: Spout's reversing circuit and final assembly
Electrical engineering Learn about electricity, circuit theory, and introductory electronics. We also have sections that let you get down a…
VideoFree3 minutes
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Electrical engineering: What is inside a digital camera? (1 of 2)
In this video we go inside the digital camera to discover what is inside and how it works. Electrical engineering Learn about electricity, …
VideoFree10 minutes
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Electrical engineering: Capacitor i-v equations
The capacitor current-voltage equation in derivative form and integral form Electrical engineering Learn about electricity, circuit theory,…
VideoFree9 minutes
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Electrical engineering: Inductor kickback (1 of 2)
We notice how important it is to give inductor current a place to flow Electrical engineering Learn about electricity, circuit theory, and …
VideoFree13 minutes
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Electrical engineering: Rotation sensor
Familiarize yourself with rotation sensor. Build a volume knob Electrical engineering Learn about electricity, circuit theory, and introduc…
VideoFree4 minutes
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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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Class 11 Physics (India): The force of tension
David explains what the force of tension is, how to solve for it, and some common misconceptions involving the force of tension. Class 11 P…
VideoFree14 minutes
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Electrical engineering: Motors/propulsion
In this video we re-wire Bit-zee's motors to include longer wires and then we re-attach them to his frame. This video shows more detail tha…
VideoFree6 minutes
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Electrical engineering: LC natural response derivation 1
We begin the derivation of the natural response of the LC circuit, by modeling it with a 2nd-order differential equation. Electrical engine…
VideoFree7 minutes
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Class 12 Physics (India): Circuit terminology
Definition of circuit terms: element, component, node, branch, mesh, and loop Class 12 Physics (India) It is now time to dive deeper into t…
VideoFree8 minutes
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Class 12 Physics (India): Magnetic field created by a current carrying wire
See how a wire carrying a current creates a magnetic field. Class 12 Physics (India) It is now time to dive deeper into the world of physic…
VideoFree10 minutes
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Class 11 Physics (India): Carnot cycle and Carnot engine
Introduction to the Carnot cycle and Carnot heat engine Class 11 Physics (India) Let's learn, practice, and master topics of class 11 physi…
VideoFree21 minutes
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Class 10 Physics (India): Newton's prism experiment
Let's explore how Sir Issac Newton experimentally proved that white light is made of all the colours of the rainbow. Created by Mahesh Shen…
VideoFree8
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Electrical engineering: LC natural response example
We solve the voltage and current of an example LC circuit with given values for L and C, and an initial charge on the capacitor Electrical …
VideoFree7 minutes
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Class 12 Physics (India): Kirchhoff's voltage law
Kirchhoff's Voltage Law says if you travel around any loop in a circuit, the voltages across the elements add up to zero. Class 12 Physics …
VideoFree7 minutes