Electricity and Magnetism

Electromagnetism – Electrostatic Force: The Four Fundamental Forces of Physics
Hank reaches the fourth and final of the four fundamental interactio in physics: electromagnetism. In this part, he teaches us about the electrostatic force, which builds up a charge in an object...

Current and Magnets
Professor Roger Bowley uses fuse wire, magnets and electrical current for a quick demotrationUV0wtX9AXq4

Electromagnetism – Magnetic Force: The Four Fundamental Forces of Physics
In this final segment on the four fundamental forces of physics, Hank tackles the magnetic force, the second of the two ways in which electromagnetism is apparent in the univee.cy6kba3A8vY

Voltage vs Distance in a Uniform Electric Field
Greg Jacobs - AP Physics Summer Ititute: Voltage vs Distance in a Uniform Electric Field4Jnb_biFbd8

Cryogenic Experiments on Passive and Active Electronic Components
In this episode, Shahriar investigates the theory and experimental results of the impact of extreme low temperatures on passive and active components. Liquid Nitrogen in used in a traparent glass D...

Bottle Radio
Crystal radio technology has been around for many yea. This "bottle radio" take on a crystal radio requires no power source, operates on the power from radio waves, and receives signal from a long...

Energy Efficient Light Bulb Comparison
A comparison of energy efficient compact fluorescent and LED light bulbs with a standard incandescent bulb. Produced by AlternativeE.org.MS4I9O1tQg4

Resistance of a light bulb
We plot a current veus voltage graph for a light bulb.mHvf1lfRoj0

Frequency modulation – Part 1 – Basic Principles
Department of Defee 1964. Fundamentals of AM and FM radio communication, how FM eliminates problem of electrical interference, functioning of FM radio examined in detail.gfz1FbIOMbs

Inductor basics
The basics of how inducto work, a demo showing an inductor filtering out high frequency signals, a quick low pass LC filter, and a demo showing the magnetic field created around inducto.NgwXkU...

Ohm’s law tutorial: Physics for neuroscience and cardiac physiology
Easy to learn this basic physics concept. Electrical physics/engineering, has much in common with neuroscience/cardiophysiology.AXeq0ZIEKNg

Virus-based piezoelectric energy generator
Lawrence Berkeley National Laboratory scientists have developed a way to generate power using harmless viruses that convert mechanical energy into electricity. The milestone could lead to tiny devic...

Total Cereal and Magnetism
Take a strong neodymium magnet to the breakfast table tomorrow morning and have fun with your Total cereal. What is in Total that attracts a magnet? Experiment with other cereals and see if you get...

CCD: The heart of a digital camera (how a charge-coupled device works)
Bill Hammack takes apart a digital camera and explai how its captures images using a CCD (charge coupled device). He also shares how a single CCD is used with a color filter array to create colored...

Solar Joule Bracelet
The Solar Joule Bracelet combines two separate projects, a solar battery and a "joule thief," to build a wearable circuit that powe an LED. Solar energy flows through the photodiodes, building up a...

MIT 8.02 Electricity and Magnetism Lecture 19
Electricity and the heart (electrocardiograms, pacemake), magnetic levitationnjIRAKW5WHc

Marco Tempest: The electric rise and fall of Nikola Tesla
Combining projection mapping and a pop-up book, Marco Tempest tells a visually arresting story about Nikola Tesla -- called "the greatest geek who ever lived" -- from his triumphant invention of alt...

Boaz Almog “levitates” a superconductor
How can a super-thin, three-inch disk levitate something 70,000 times its own weight? In a riveting, futuristic demotration, Boaz Almog shows how a phenomenon known as quantum locking allows a supe...

MIT 8.02 Electricity and Magnetism Lecture 13
MIT 8.02 Electricity and Magnetism, Spring 2002Professor Walter LewinMoving Charges in B-fields, cyclotron, synchrotron, mass spectrometer, cloud chamber.w8D3ikuyaGo