magnetism and the sun. the magnetic force is most easily described by its effects—it is easy to...
DESCRIPTION
Michael Faraday made reference to ’modified space’ --an area apparently affected by the magnetic force.TRANSCRIPT
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Magnetism and the Sun
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The Magnetic Force
Is most easily described by its effects—it is easy to see iron objects react or outline lines of magnetic attraction.
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Michael Faraday made reference to ’modified space’ --an area apparently affected by the magnetic force.
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Magnetic field of bar magnet
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Magnetic field of electromagnet
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The present model
Suggests that (ferro) magnetism is related to the spin of valence electrons in elements such as iron, nickel and cobalt
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The Earth’s magnetic field
Is believed to be caused by movement in the (liquid) outer core due to the spin of the earth.
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The sun
Is not thought to have distinct metallic cores,
BUT…
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…does rotate at different speeds at different “latitudes”
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Matter making up the sun is in the PLASMA state--
Positive nuclei are separated from their negative
electrons
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Here’s the wild side--
When electric particles flow through a circuit—they create a magnetic field
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This was discovered
By accident, by Hans Christian Oersted in 1820
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And described mathematically
by Andre-Marie Ampere the same year
(Ampere’s Cirucuital Law)
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An electric current (I) flowing through a circuit produces a magnetic field (B)
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This means that as charged particles move throughout the sun
They create MANY magnetic fields
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What, me worry?