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Lesson 1: Getting started. Electric current. Current direction. Voltage. Conventional current direction. Preparing to study electrical engineering on Khan Academy. Basic electrical quantities: current, voltage, power. Numbers in electrical engineering. Defining the standard electrical units.
Introduction to electrical engineering | Khan Academy
A summary of the math and science preparation that will help you have the best experience with electrical engineering taught on Khan Academy. Become familiar with engineering numbers and notation, and learn about the two most important electrical quantities: current and voltage.
Electrical engineering | Science | Khan Academy
Learn about electricity, circuit theory, and introductory electronics. We also have sections that let you get down and dirty with household items, from building your own robot to videos where we disassemble household items to see what's inside.
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Learn the basics of electrical engineering including voltage and current on Khan Academy.
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Unit test. Unit 1. This unit does not include exercises. Unit 2. Relationship between electric force, charge, and distance. Unit 3 Unit 3: Maxwell's first equation - an alternative to Coulomb's law. Electric field due to two charges on line joining them. Maxwell's first equation - an alternative to Coulomb's law: Quiz 1.
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Explore. Our mission is to provide a free, world-class education to anyone, anywhere. Khan Academy is a 501 (c) (3) nonprofit organization. Donate or volunteer today! About. News. Impact. Our team. Our interns.
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Learn about Ohm's Law, which relates voltage, current, and resistance in electrical circuits.
Gauss law of electricity (video) | Khan Academy
Gauss law says the electric flux through a closed surface = total enclosed charge divided by electrical permittivity of vacuum. Let's explore where this comes from and why this is useful.
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You know what is - ELECTROMAGNETISM ⚡️ It's the dynamic duo of electricity and magnetism, that work together to gives smartphones 📱, electric trains 🚆, auroras, and light itself. Are you ready to unravel the mysteries of this extraordinary force?
Electrical engineering - Khan Academy
Electrical engineering; Unit 6: Signals and systems. About this unit. Signals and Systems covers analog and digital signal processing, ideas at the heart of modern communication and measurement. We present the basic concepts for continuous-time and discrete-time signals in the time and frequency domains. Time and frequency are related by the ...