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hyperphysics

Lenz's Law

When an emf is generated by a change in magnetic flux according to Faraday's Law, the polarity of the induced emf is such that it produces a current whose magnetic field opposes the change which ...

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http://hyperphysics.phy-astr.gsu.edu/hbase/electric/farlaw.html#c1
hyperphysics

Motor

Electric motors involve rotating coils of wire which are driven by the magnetic force exerted by a magnetic field on an electric current. They transform electrical energy into mechanical energy.

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http://hyperphysics.phy-astr.gsu.edu/hbase/magnetic/elemot.html#c1

Magnetism and the San Francisco Bay area

An exploration of the earth's magnetic field and the links between magnetic anomalies and the geology of the San Francisco Bay area.

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http://geomaps.wr.usgs.gov/gump/people/zulanger/bayarea/magnetism_ofr.html
hyperphysics

Electromagnet

Electromagnets are usually in the form of iron core solenoids. The ferromagnetic property of the iron core causes the internal magnetic domains of the iron to line up with the smaller driving ...

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Hits: 998

http://hyperphysics.phy-astr.gsu.edu/hbase/magnetic/elemag.html#c5

Earth's magnetic field

An article about the huge magnetic field that surrounds the Earth and stretches into space.

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Hits: 1102

http://www.universetoday.com/27005/earths-magnetic-field/

Felix Bloch

Felix Bloch (1905 - 1983) research lead to a new method of nuclear induction for the study of nuclear moments in solids, liquids, or gases.

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http://nobelprize.org/nobel_prizes/physics/laureates/1952/bloch-bio.html
hyperphysics

Hall Effect

If an electric current flows through a conductor in a magnetic field, the magnetic field exerts a transverse force on the moving charge carriers which tends to push them to one side of the conductor. ...

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Hits: 1150

http://hyperphysics.phy-astr.gsu.edu/hbase/magnetic/hall.html#c1

William Gilbert

William Gilbert (1544-1603) work in 1600 was the standard work throughout Europe on electrical and magnetic phenomena. He made the first clear distinction between magnetic and the amber effect ...

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Hits: 1552

http://galileo.rice.edu/sci/gilbert.html

Charged particle motion in uniform magnetic field (2D)

The site allows the path of a charged particle to be tracked through a magnetic field perpendicular to the screen.

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Hits: 1150

http://www.phy.ntnu.edu.tw/ntnujava/index.php?topic=26

Wilhelm Eduard Weber

Wilhelm Eduard Weber (1804 - 1891) worked closely with Carl Friedrich Gauss and developed sensitive magnetometers and other magnetic instruments. The magnetic unit, termed a weber, formerly the ...

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http://www-history.mcs.st-and.ac.uk/history//Biographies/Weber.html
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