Oersted's Experiment
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Oersted's Experiment
Oersted's experiment that when an electric current is passed through a conducting wire, a magnetic field is produced around it. The presence of magnetic field at a point around a current carrying wire can be detected with the help of a compass needle. If a compass needle is placed in the vicinity of the current carrying wire, needle of the compass is found to deflect in a definite direction. The direction of the deflection of needle is reversed if the direction of current in the wire is reversed.
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8.02x - Lect 11 - Magnetic Fields, Lorentz Force, Torques, Electric Motors (DC)
Magnetic Field, Lorentz Force, Torques, Electric Motors (DC), Oscilloscope, Historic Demo (Oersted)
Lecture Notes, Build Your Own Electric Motor - Have Fun, and Earn Extra Credit:
Assignments Lecture 9, 10 and 11:
Solutions Lecture 9, 10 and 11:
Magnetic Field of a Wire
032 - Magnetic Field of a Wire
In this video Paul Andersen explains how current moving through a wire will generate a magnetic field tangent to the wire. As the current increases the magnetic field will increase and as the radius from the wire increase the magnitude of the field will decrease. When the current in parallel wires travels in the same direction the wires will experience a force pulling them together.
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Music Attribution
Title: String Theory
Artist: Herman Jolly
All of the images are licensed under creative commons and public domain licensing:
File:Electromagnetism.png, n.d.
File:Hans Christian Ørsted Som Ung.jpg. Wikipedia, the Free Encyclopedia. Accessed May 28, 2014.
File:Magnet0873.png. Wikipedia, the Free Encyclopedia. Accessed May 18, 2014.
File:Oersted Experiment.png. Wikipedia, the Free Encyclopedia. Accessed May 28, 2014.
Jfmelero. Right Hand Rule Is a Physics Principle Applied to Electric Current Passing through a Straight Wire, Resulting in a Magnetic Field. The Thumb Points in the Direction of the Conventional Current (from Positive to Negative), and the Fingers in the Direction of the Magnetic Field., February 29, 2008. Own work.
———. The Magnetic Field around Two Wires Carrying Current in Opposite Directions Cause the Wires to Feel a Mutual Repulsion., [object HTMLTableCellElement]. Own work.
———. The Magnetic Field around Two Wires Carrying Current in the Same Direction, Cause the Wires to Feel a Mutual Attraction., February 28, 2008. Own work.
Napoleonic Wars: from Trafalgar to Friedland - Season 1 FULL
Napoleon, upon ascending to First Consul of France in 1799, had inherited a chaotic republic; he subsequently created a state with stable finances, a strong bureaucracy, and a well-trained army. In 1805, Austria and Russia waged war against France. In response, Napoleon defeated the allied Russo-Austrian army at Austerlitz in December 1805, which is considered his greatest victory. At sea, the British inflicted a severe defeat in the Battle of Trafalgar in October 1805 upon the joint Franco-Spanish navy, securing British control of the seas and preventing the invasion of Britain itself. Prussian concerns about increasing French power led to a resumption of war in October 1806. Napoleon quickly defeated the Prussians, and defeated Russia in June 1807, bringing an uneasy peace to the continent.
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Production Music courtesy of Epidemic Sound:
Hans Christian Oersted / Leif Ericsson / John Sutter
Hans must literally look for a needle in a haystack to figure out electromagnetism. / Leifês voyage to Greenland is held up by the weight of his beard. / John Sutter is more interested in fortune cookies than discovering gold.
Albert Einstein's Big Idea HD Documentary (With 17 Subtitles)
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Over 100 years ago, Albert Einstein grappled with the implications of his revolutionary special theory of relativity and came to a startling conclusion: mass and energy are one, related by the formula E = mc2. In Einstein's Big Idea, NOVA dramatizes the remarkable story behind this equation. E = mc2 was just one of several extraordinary breakthroughs that Einstein made in 1905, including the completion of his special theory of relativity, his identification of proof that atoms exist, and his explanation of the nature of light, which would win him the Nobel Prize in Physics. Among Einstein's ideas, E = mc2 is by far the most famous. Yet how many people know what it really means? In a thought-provoking and engrossing docudrama, NOVA illuminates this deceptively simple formula by unraveling the story of how it came to be.
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Ethics, Law, and Society - September 4, 2018 - Mark Stapp
Forum in Ethics, Law, and Society: Center for Ethics Law and Society (CELS)
Session 4: Intergovernmental Renewable Energy Task Force for the New York Bight - 11/28/18
BGSU Brain Game 709- Pettisville vs. Celina
On this episode of Northwest Ohio's most exciting quiz competition, Pettisville takes on Celina in a battle of intelligence. See who moves on to the next round of BGSU Brain Game!
Michael Faraday
Michael Faraday, FRS was an English scientist who contributed to the fields of electromagnetism and electrochemistry. His main discoveries include those of electromagnetic induction, diamagnetism and electrolysis.
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