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Electricity and Electronics Courses - Khan Academy Help Center
I've spent 35 years in IT but I now realise I'm lacking electrical and electronic skills to try and trace or repair faults or power on issues. So I want to start studying Electrical and Electronics …
Magnetism and electromagnetism | AP®︎/College Physics 2
Learn the principles of electricity and magnetism through engaging lessons, interactive exercises, and real-world applications on Khan Academy.
Basic electrical quantities: current, voltage, power
Voltage and current are the cornerstone concepts in electricity. We will create our first mental models for these basic electrical quantities. We will also talk about power, which is what …
Conductors and insulators (video) | Khan Academy
A conductor is a material that allows electrons to flow freely through it, making it useful for carrying electric current. An insulatoris a material that resists the flow of electrons, so it does …
RC natural response (article) | Khan Academy
Natural response of an RC circuit. The product of R and C is called the time constant. Written by Willy McAllister.
Circuit elements: Capacitors in electrocardiography monitors
Nodes are attached to a patient’s skin, which in turn is able to pick up cardiac electrical activity. These nodes then relay this information to the main monitor, which displays it accordingly. A …
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Science | Khan Academy
Electrical engineering 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 …