Khan Academy
Khan Academy: Electricity and Magnetism: Magnetism 5
Magnetic force on a wire carrying current.
Khan Academy
Khan Academy: Electricity and Magnetism: Magnetism 7
Learn about the magnetic force that two current-carrying wires exert on each other. [11:00]
Khan Academy
Khan Academy: Discovery of Magnetism: Compass Interactions
If we float two identically magnetized needles they will always orient themselves in the same way. Why?
Khan Academy
Khan Academy: Electricity and Magnetism: Magnetism 3
Discover what happens when a speeding proton goes through a magnetic field. [10:48]
Khan Academy
Khan Academy: Increase Strength of Magnet
How can we increase the strength of a bar magnet using a piece of steel? Why is it stronger? Find out here.
Khan Academy
Khan Academy: Electricity and Magnetism: Magnetism 2
Video lecture explores magnetic fields and their effects on moving electrical charges. [8:59]
Khan Academy
Khan Academy: Electricity and Magnetism: Magnetism 9: Electric Motors
Video lecture explores using a magnetic field to exert torque on a rotating circuit. [10:36]
Khan Academy
Khan Academy: Electricity and Magnetism: Magnetic Field Due to Current
See how a wire carrying a current creates a magnetic field. [9:42]
Khan Academy
Khan Academy: Electricity and Magnetism: Electric Motors
A video lecture that shows how using a commutator can solve the flipping problem and create an electric motor. [6:40]
Crash Course
Crash Course Physics #32: Magnetism
You're probably familiar with the basics of magnets already: They have a north pole and a south pole. Two of the same pole will repel each other, while opposites attract. Only certain materials, especially those that contain iron, can be...
Khan Academy
Khan Academy: Discovery of Magnetism
Our ancestors noticed that certain rocks were attracted to each other. They also noticed that this force could be transferred onto certain metallic objects. [1:09]
Khan Academy
Khan Academy: Electricity and Magnetism: Magnetism 4
Part 2 of a problem that explores what happens to a proton speeding through a magnetic field.
Khan Academy
Khan Academy: Electricity and Magnetism: Magnetism 12: Induced Current in a Wire
Discover induced current and EMF in a moving wire from a magnetic field. [12:08]
Museum of Science
Eie: The Attraction Is Obvious: Designing Maglev Systems Lesson 1
Watch as a teacher introduces an engineering challenge with the story, Hikaru, where a boy from Japan, learns about transportation engineering as he attempts to design a small Maglev transportation system for his parents' toy store. [14:21]
University of Virginia
Uva Virtual Lab: Electricity and Magnetism Classroom Tour
Take a tour through a typical classroom. What can be found that uses electricity and magnetism? This lab will explore the teacher's computer.
Khan Academy
Khan Academy: Tracing a Magnetic Field
This video demonstrates that a compass will align with the lines of force around a magnet. [0:27]
Khan Academy
Khan Academy: Magnet Near Compass
This demonstration explores the effect of a permanent magnet on compass. [1:04]
Khan Academy
Khan Academy: Increase Strength of Magnet
This video demonstrates how we can increase the strength of a bar magnet using a piece of steel. [0:54]
Khan Academy
Khan Academy: Discovery of Magnetic Fields
Magnetic materials seem to have two sides (poles). Depending on orientation they can be attractive or repulsive. Watch this video for a demonstration. [1:06]
Khan Academy
Khan Academy: Flux and Magnetic Flux
A video introducing the concept of flux and magnetic flux to apply Faraday's law. [10:02]
Khan Academy
Khan Academy: Magnetic Force on a Proton Example (Part 1)
A video reviewing over an example problem to determine the size and direction of the magnetic force on a proton moving through a magnetic field. [10:48]
Khan Academy
Khan Academy: Magnetic Force on a Current Carrying Wire
Find out how the formula F=ILB is derived in this video. Also, learn how to use the formula to calculate the force on a current carrying wire.
Khan Academy
Khan Academy: Induced Current in a Wire
A video that shows how to determine the current and EMF induced in a wire pulled through a magnetic field. [12:08]
Khan Academy
Khan Academy: Compass Interactions
A short video doing a short experiment to see ff we float two identically magnetized needles they will always orient themselves in the same way. [0:45]